Skip to content
Math Games Central — horizontal lockupMath Games Central Print something

Ratios and proportions worksheet

Intermediate · 24 problems with a full answer key. Free to print, free to copy, and nothing to sign up for.

Practise it online instead

The answer key prints as the second page. Everything is generated in your browser, so the topic page explains the method and this page just gives you the practice.

Ratios and proportions practice

Not simplified, bigger · intermediate
Name Date

Show your working. The answer key is on the next page.

  1. 1. 15 is to 8 as 75 is to what?
  2. 2. 10 is to 18 as 20 is to what?
  3. 3. 20 is to 7 as 160 is to what?
  4. 4. 2 is to 17 as 6 is to what?
  5. 5. 15 is to 13 as 120 is to what?
  6. 6. 4 is to 14 as 12 is to what?
  7. 7. 4 is to 18 as 8 is to what?
  8. 8. 10 is to 11 as 50 is to what?
  9. 9. 12 is to 8 as 36 is to what?
  10. 10. 7 is to 15 as 56 is to what?
  11. 11. 6 is to 14 as 18 is to what?
  12. 12. 8 is to 4 as 16 is to what?
  13. 13. 5 is to 13 as 25 is to what?
  14. 14. 6 is to 5 as 30 is to what?
  15. 15. 15 is to 7 as 120 is to what?
  16. 16. 17 is to 14 as 102 is to what?
  17. 17. 5 is to 9 as 10 is to what?
  18. 18. 4 is to 9 as 12 is to what?
  19. 19. 9 is to 13 as 63 is to what?
  20. 20. 17 is to 3 as 85 is to what?
  21. 21. 10 is to 20 as 20 is to what?
  22. 22. 5 is to 12 as 30 is to what?
  23. 23. 10 is to 13 as 60 is to what?
  24. 24. 5 is to 8 as 15 is to what?
mathgamescentral.com — free to print, free to copy, no login.

Ratios and proportions practice

Not simplified, bigger · intermediate
Name Date
Answer key
  1. 1. 15 is to 8 as 75 is to what? 40
  2. 2. 10 is to 18 as 20 is to what? 36
  3. 3. 20 is to 7 as 160 is to what? 56
  4. 4. 2 is to 17 as 6 is to what? 51
  5. 5. 15 is to 13 as 120 is to what? 104
  6. 6. 4 is to 14 as 12 is to what? 42
  7. 7. 4 is to 18 as 8 is to what? 36
  8. 8. 10 is to 11 as 50 is to what? 55
  9. 9. 12 is to 8 as 36 is to what? 24
  10. 10. 7 is to 15 as 56 is to what? 120
  11. 11. 6 is to 14 as 18 is to what? 42
  12. 12. 8 is to 4 as 16 is to what? 8
  13. 13. 5 is to 13 as 25 is to what? 65
  14. 14. 6 is to 5 as 30 is to what? 25
  15. 15. 15 is to 7 as 120 is to what? 56
  16. 16. 17 is to 14 as 102 is to what? 84
  17. 17. 5 is to 9 as 10 is to what? 18
  18. 18. 4 is to 9 as 12 is to what? 27
  19. 19. 9 is to 13 as 63 is to what? 91
  20. 20. 17 is to 3 as 85 is to what? 15
  21. 21. 10 is to 20 as 20 is to what? 40
  22. 22. 5 is to 12 as 30 is to what? 72
  23. 23. 10 is to 13 as 60 is to what? 78
  24. 24. 5 is to 8 as 15 is to what? 24
mathgamescentral.com — free to print, free to copy, no login.

Standards this covers

  • 6.RP.A.1
  • 6.RP.A.3
  • 7.RP.A.2

More ratios and proportions