Home / 22,517.28-31,073.56-12,445.91

Finding the Fourth Proportional to 22,517.28, 31,073.56 and 12,445.91

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Solution

The fourth proportional to 22,517.28, 31,073.56 and 12,445.91 is: 17,175.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,517.28 : 31,073.56 = 12,445.91 : x
  2. Step 2: Convert to fraction form
    22,517.28/31,073.56 = 12,445.91/x
  3. Step 3: Cross multiply
    22,517.28x = 31,073.56 × 12,445.91
  4. Step 4: Simplify right side
    22,517.28x = 386,738,668.91
  5. Step 5: Solve for x
    x = 386,738,668.91/22,517.28
  6. Step 6: Final answer
    x = 17,175.19

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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.