Home / 11,553.30-17,319.56-4,156.02

Finding the Fourth Proportional to 11,553.30, 17,319.56 and 4,156.02

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Solution

The fourth proportional to 11,553.30, 17,319.56 and 4,156.02 is: 6,230.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,553.30 : 17,319.56 = 4,156.02 : x
  2. Step 2: Convert to fraction form
    11,553.30/17,319.56 = 4,156.02/x
  3. Step 3: Cross multiply
    11,553.30x = 17,319.56 × 4,156.02
  4. Step 4: Simplify right side
    11,553.30x = 71,980,416.97
  5. Step 5: Solve for x
    x = 71,980,416.97/11,553.30
  6. Step 6: Final answer
    x = 6,230.29

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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.