Home / 22,613.04-31,207.56-12,542.40

Finding the Fourth Proportional to 22,613.04, 31,207.56 and 12,542.40

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Solution

The fourth proportional to 22,613.04, 31,207.56 and 12,542.40 is: 17,309.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,613.04 : 31,207.56 = 12,542.40 : x
  2. Step 2: Convert to fraction form
    22,613.04/31,207.56 = 12,542.40/x
  3. Step 3: Cross multiply
    22,613.04x = 31,207.56 × 12,542.40
  4. Step 4: Simplify right side
    22,613.04x = 391,417,700.54
  5. Step 5: Solve for x
    x = 391,417,700.54/22,613.04
  6. Step 6: Final answer
    x = 17,309.38

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Similar ratio
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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.