Home / 15,539.92-23,309.85-3,853.14

Finding the Fourth Proportional to 15,539.92, 23,309.85 and 3,853.14

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Solution

The fourth proportional to 15,539.92, 23,309.85 and 3,853.14 is: 5,779.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,539.92 : 23,309.85 = 3,853.14 : x
  2. Step 2: Convert to fraction form
    15,539.92/23,309.85 = 3,853.14/x
  3. Step 3: Cross multiply
    15,539.92x = 23,309.85 × 3,853.14
  4. Step 4: Simplify right side
    15,539.92x = 89,816,115.43
  5. Step 5: Solve for x
    x = 89,816,115.43/15,539.92
  6. Step 6: Final answer
    x = 5,779.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.