Home / 11,487.20-17,232.42-5,644.04

Finding the Fourth Proportional to 11,487.20, 17,232.42 and 5,644.04

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Solution

The fourth proportional to 11,487.20, 17,232.42 and 5,644.04 is: 8,466.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,487.20 : 17,232.42 = 5,644.04 : x
  2. Step 2: Convert to fraction form
    11,487.20/17,232.42 = 5,644.04/x
  3. Step 3: Cross multiply
    11,487.20x = 17,232.42 × 5,644.04
  4. Step 4: Simplify right side
    11,487.20x = 97,260,467.78
  5. Step 5: Solve for x
    x = 97,260,467.78/11,487.20
  6. Step 6: Final answer
    x = 8,466.86

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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.