Home / 11,379.52-17,047.20-7,472.08

Finding the Fourth Proportional to 11,379.52, 17,047.20 and 7,472.08

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Solution

The fourth proportional to 11,379.52, 17,047.20 and 7,472.08 is: 11,193.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,379.52 : 17,047.20 = 7,472.08 : x
  2. Step 2: Convert to fraction form
    11,379.52/17,047.20 = 7,472.08/x
  3. Step 3: Cross multiply
    11,379.52x = 17,047.20 × 7,472.08
  4. Step 4: Simplify right side
    11,379.52x = 127,378,042.18
  5. Step 5: Solve for x
    x = 127,378,042.18/11,379.52
  6. Step 6: Final answer
    x = 11,193.62

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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.