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Finding the Fourth Proportional to 17,042.52, 23,515.05 and 9,967.56

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Solution

The fourth proportional to 17,042.52, 23,515.05 and 9,967.56 is: 13,753.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,042.52 : 23,515.05 = 9,967.56 : x
  2. Step 2: Convert to fraction form
    17,042.52/23,515.05 = 9,967.56/x
  3. Step 3: Cross multiply
    17,042.52x = 23,515.05 × 9,967.56
  4. Step 4: Simplify right side
    17,042.52x = 234,387,671.78
  5. Step 5: Solve for x
    x = 234,387,671.78/17,042.52
  6. Step 6: Final answer
    x = 13,753.11

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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.