Home / 10,275.30-15,400.17-5,342.04

Finding the Fourth Proportional to 10,275.30, 15,400.17 and 5,342.04

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Solution

The fourth proportional to 10,275.30, 15,400.17 and 5,342.04 is: 8,006.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275.30 : 15,400.17 = 5,342.04 : x
  2. Step 2: Convert to fraction form
    10,275.30/15,400.17 = 5,342.04/x
  3. Step 3: Cross multiply
    10,275.30x = 15,400.17 × 5,342.04
  4. Step 4: Simplify right side
    10,275.30x = 82,268,324.15
  5. Step 5: Solve for x
    x = 82,268,324.15/10,275.30
  6. Step 6: Final answer
    x = 8,006.42

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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.