Home / 17,739.85-24,481.17-9,781.87

Finding the Fourth Proportional to 17,739.85, 24,481.17 and 9,781.87

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Solution

The fourth proportional to 17,739.85, 24,481.17 and 9,781.87 is: 13,499.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,739.85 : 24,481.17 = 9,781.87 : x
  2. Step 2: Convert to fraction form
    17,739.85/24,481.17 = 9,781.87/x
  3. Step 3: Cross multiply
    17,739.85x = 24,481.17 × 9,781.87
  4. Step 4: Simplify right side
    17,739.85x = 239,471,622.39
  5. Step 5: Solve for x
    x = 239,471,622.39/17,739.85
  6. Step 6: Final answer
    x = 13,499.08

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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.