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Finding the Fourth Proportional to 17,244.78, 23,798.28 and 9,691.80

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Solution

The fourth proportional to 17,244.78, 23,798.28 and 9,691.80 is: 13,374.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,244.78 : 23,798.28 = 9,691.80 : x
  2. Step 2: Convert to fraction form
    17,244.78/23,798.28 = 9,691.80/x
  3. Step 3: Cross multiply
    17,244.78x = 23,798.28 × 9,691.80
  4. Step 4: Simplify right side
    17,244.78x = 230,648,170.10
  5. Step 5: Solve for x
    x = 230,648,170.10/17,244.78
  6. Step 6: Final answer
    x = 13,374.96

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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.