Home / 11,382.80-17,029.28-8,617.52

Finding the Fourth Proportional to 11,382.80, 17,029.28 and 8,617.52

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Solution

The fourth proportional to 11,382.80, 17,029.28 and 8,617.52 is: 12,892.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,382.80 : 17,029.28 = 8,617.52 : x
  2. Step 2: Convert to fraction form
    11,382.80/17,029.28 = 8,617.52/x
  3. Step 3: Cross multiply
    11,382.80x = 17,029.28 × 8,617.52
  4. Step 4: Simplify right side
    11,382.80x = 146,750,160.99
  5. Step 5: Solve for x
    x = 146,750,160.99/11,382.80
  6. Step 6: Final answer
    x = 12,892.27

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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.