Home / 12,505.29-18,757.94-3,739.92

Finding the Fourth Proportional to 12,505.29, 18,757.94 and 3,739.92

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Solution

The fourth proportional to 12,505.29, 18,757.94 and 3,739.92 is: 5,609.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,505.29 : 18,757.94 = 3,739.92 : x
  2. Step 2: Convert to fraction form
    12,505.29/18,757.94 = 3,739.92/x
  3. Step 3: Cross multiply
    12,505.29x = 18,757.94 × 3,739.92
  4. Step 4: Simplify right side
    12,505.29x = 70,153,176.27
  5. Step 5: Solve for x
    x = 70,153,176.27/12,505.29
  6. Step 6: Final answer
    x = 5,609.88

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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.