Home / 11,432.30-17,149.05-3,640.50

Finding the Fourth Proportional to 11,432.30, 17,149.05 and 3,640.50

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Solution

The fourth proportional to 11,432.30, 17,149.05 and 3,640.50 is: 5,460.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,432.30 : 17,149.05 = 3,640.50 : x
  2. Step 2: Convert to fraction form
    11,432.30/17,149.05 = 3,640.50/x
  3. Step 3: Cross multiply
    11,432.30x = 17,149.05 × 3,640.50
  4. Step 4: Simplify right side
    11,432.30x = 62,431,116.53
  5. Step 5: Solve for x
    x = 62,431,116.53/11,432.30
  6. Step 6: Final answer
    x = 5,460.94

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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.