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Finding the Fourth Proportional to 17,472.78, 24,113.04 and 9,515.14

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Solution

The fourth proportional to 17,472.78, 24,113.04 and 9,515.14 is: 13,131.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,472.78 : 24,113.04 = 9,515.14 : x
  2. Step 2: Convert to fraction form
    17,472.78/24,113.04 = 9,515.14/x
  3. Step 3: Cross multiply
    17,472.78x = 24,113.04 × 9,515.14
  4. Step 4: Simplify right side
    17,472.78x = 229,438,951.43
  5. Step 5: Solve for x
    x = 229,438,951.43/17,472.78
  6. Step 6: Final answer
    x = 13,131.22

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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.