Home / 15,287.60-22,879.56-9,135.92

Finding the Fourth Proportional to 15,287.60, 22,879.56 and 9,135.92

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Solution

The fourth proportional to 15,287.60, 22,879.56 and 9,135.92 is: 13,672.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,287.60 : 22,879.56 = 9,135.92 : x
  2. Step 2: Convert to fraction form
    15,287.60/22,879.56 = 9,135.92/x
  3. Step 3: Cross multiply
    15,287.60x = 22,879.56 × 9,135.92
  4. Step 4: Simplify right side
    15,287.60x = 209,025,829.80
  5. Step 5: Solve for x
    x = 209,025,829.80/15,287.60
  6. Step 6: Final answer
    x = 13,672.90

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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.