Home / 22,611.74-31,204.26-12,540.30

Finding the Fourth Proportional to 22,611.74, 31,204.26 and 12,540.30

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Solution

The fourth proportional to 22,611.74, 31,204.26 and 12,540.30 is: 17,305.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,611.74 : 31,204.26 = 12,540.30 : x
  2. Step 2: Convert to fraction form
    22,611.74/31,204.26 = 12,540.30/x
  3. Step 3: Cross multiply
    22,611.74x = 31,204.26 × 12,540.30
  4. Step 4: Simplify right side
    22,611.74x = 391,310,781.68
  5. Step 5: Solve for x
    x = 391,310,781.68/22,611.74
  6. Step 6: Final answer
    x = 17,305.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.