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Finding the Fourth Proportional to 17,672.73, 24,388.68 and 9,714.93

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Solution

The fourth proportional to 17,672.73, 24,388.68 and 9,714.93 is: 13,406.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,672.73 : 24,388.68 = 9,714.93 : x
  2. Step 2: Convert to fraction form
    17,672.73/24,388.68 = 9,714.93/x
  3. Step 3: Cross multiply
    17,672.73x = 24,388.68 × 9,714.93
  4. Step 4: Simplify right side
    17,672.73x = 236,934,318.99
  5. Step 5: Solve for x
    x = 236,934,318.99/17,672.73
  6. Step 6: Final answer
    x = 13,406.78

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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.