Home / 11,446.20-17,169.36-3,439.92

Finding the Fourth Proportional to 11,446.20, 17,169.36 and 3,439.92

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Solution

The fourth proportional to 11,446.20, 17,169.36 and 3,439.92 is: 5,159.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,446.20 : 17,169.36 = 3,439.92 : x
  2. Step 2: Convert to fraction form
    11,446.20/17,169.36 = 3,439.92/x
  3. Step 3: Cross multiply
    11,446.20x = 17,169.36 × 3,439.92
  4. Step 4: Simplify right side
    11,446.20x = 59,061,224.85
  5. Step 5: Solve for x
    x = 59,061,224.85/11,446.20
  6. Step 6: Final answer
    x = 5,159.90

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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.