Home / 11,060.28-15,252.30-9,379.80

Finding the Fourth Proportional to 11,060.28, 15,252.30 and 9,379.80

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Solution

The fourth proportional to 11,060.28, 15,252.30 and 9,379.80 is: 12,934.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,060.28 : 15,252.30 = 9,379.80 : x
  2. Step 2: Convert to fraction form
    11,060.28/15,252.30 = 9,379.80/x
  3. Step 3: Cross multiply
    11,060.28x = 15,252.30 × 9,379.80
  4. Step 4: Simplify right side
    11,060.28x = 143,063,523.54
  5. Step 5: Solve for x
    x = 143,063,523.54/11,060.28
  6. Step 6: Final answer
    x = 12,934.89

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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.