Home / 11,279.27-15,565.92-6,499.92

Finding the Fourth Proportional to 11,279.27, 15,565.92 and 6,499.92

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Solution

The fourth proportional to 11,279.27, 15,565.92 and 6,499.92 is: 8,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,279.27 : 15,565.92 = 6,499.92 : x
  2. Step 2: Convert to fraction form
    11,279.27/15,565.92 = 6,499.92/x
  3. Step 3: Cross multiply
    11,279.27x = 15,565.92 × 6,499.92
  4. Step 4: Simplify right side
    11,279.27x = 101,177,234.73
  5. Step 5: Solve for x
    x = 101,177,234.73/11,279.27
  6. Step 6: Final answer
    x = 8,970.20

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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.