Home / 17,648.60-24,355.20-9,691.56

Finding the Fourth Proportional to 17,648.60, 24,355.20 and 9,691.56

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Solution

The fourth proportional to 17,648.60, 24,355.20 and 9,691.56 is: 13,374.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,648.60 : 24,355.20 = 9,691.56 : x
  2. Step 2: Convert to fraction form
    17,648.60/24,355.20 = 9,691.56/x
  3. Step 3: Cross multiply
    17,648.60x = 24,355.20 × 9,691.56
  4. Step 4: Simplify right side
    17,648.60x = 236,039,882.11
  5. Step 5: Solve for x
    x = 236,039,882.11/17,648.60
  6. Step 6: Final answer
    x = 13,374.43

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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.