Home / 15,121.92-22,683.12-5,261.52

Finding the Fourth Proportional to 15,121.92, 22,683.12 and 5,261.52

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Solution

The fourth proportional to 15,121.92, 22,683.12 and 5,261.52 is: 7,892.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,121.92 : 22,683.12 = 5,261.52 : x
  2. Step 2: Convert to fraction form
    15,121.92/22,683.12 = 5,261.52/x
  3. Step 3: Cross multiply
    15,121.92x = 22,683.12 × 5,261.52
  4. Step 4: Simplify right side
    15,121.92x = 119,347,689.54
  5. Step 5: Solve for x
    x = 119,347,689.54/15,121.92
  6. Step 6: Final answer
    x = 7,892.36

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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.