Home / 11,481.52-15,841.92-6,766.24

Finding the Fourth Proportional to 11,481.52, 15,841.92 and 6,766.24

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Solution

The fourth proportional to 11,481.52, 15,841.92 and 6,766.24 is: 9,335.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,481.52 : 15,841.92 = 6,766.24 : x
  2. Step 2: Convert to fraction form
    11,481.52/15,841.92 = 6,766.24/x
  3. Step 3: Cross multiply
    11,481.52x = 15,841.92 × 6,766.24
  4. Step 4: Simplify right side
    11,481.52x = 107,190,232.78
  5. Step 5: Solve for x
    x = 107,190,232.78/11,481.52
  6. Step 6: Final answer
    x = 9,335.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.