Home / 15,921.43-23,882.18-4,234.65

Finding the Fourth Proportional to 15,921.43, 23,882.18 and 4,234.65

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Solution

The fourth proportional to 15,921.43, 23,882.18 and 4,234.65 is: 6,351.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,921.43 : 23,882.18 = 4,234.65 : x
  2. Step 2: Convert to fraction form
    15,921.43/23,882.18 = 4,234.65/x
  3. Step 3: Cross multiply
    15,921.43x = 23,882.18 × 4,234.65
  4. Step 4: Simplify right side
    15,921.43x = 101,132,562.81
  5. Step 5: Solve for x
    x = 101,132,562.81/15,921.43
  6. Step 6: Final answer
    x = 6,351.98

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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.