Home / 11,099.23-15,301.92-8,711.76

Finding the Fourth Proportional to 11,099.23, 15,301.92 and 8,711.76

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Solution

The fourth proportional to 11,099.23, 15,301.92 and 8,711.76 is: 12,010.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,099.23 : 15,301.92 = 8,711.76 : x
  2. Step 2: Convert to fraction form
    11,099.23/15,301.92 = 8,711.76/x
  3. Step 3: Cross multiply
    11,099.23x = 15,301.92 × 8,711.76
  4. Step 4: Simplify right side
    11,099.23x = 133,306,654.58
  5. Step 5: Solve for x
    x = 133,306,654.58/11,099.23
  6. Step 6: Final answer
    x = 12,010.44

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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.