Home / 15,141.48-22,711.60-5,280.72

Finding the Fourth Proportional to 15,141.48, 22,711.60 and 5,280.72

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Solution

The fourth proportional to 15,141.48, 22,711.60 and 5,280.72 is: 7,920.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,141.48 : 22,711.60 = 5,280.72 : x
  2. Step 2: Convert to fraction form
    15,141.48/22,711.60 = 5,280.72/x
  3. Step 3: Cross multiply
    15,141.48x = 22,711.60 × 5,280.72
  4. Step 4: Simplify right side
    15,141.48x = 119,933,600.35
  5. Step 5: Solve for x
    x = 119,933,600.35/15,141.48
  6. Step 6: Final answer
    x = 7,920.86

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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.