Home / 11,095.28-15,287.64-8,108

Finding the Fourth Proportional to 11,095.28, 15,287.64 and 8,108

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Solution

The fourth proportional to 11,095.28, 15,287.64 and 8,108 is: 11,171.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,095.28 : 15,287.64 = 8,108 : x
  2. Step 2: Convert to fraction form
    11,095.28/15,287.64 = 8,108/x
  3. Step 3: Cross multiply
    11,095.28x = 15,287.64 × 8,108
  4. Step 4: Simplify right side
    11,095.28x = 123,952,185.12
  5. Step 5: Solve for x
    x = 123,952,185.12/11,095.28
  6. Step 6: Final answer
    x = 11,171.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.