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Finding the Fourth Proportional to 18,079.16, 27,109.02 and 5,593.82

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Solution

The fourth proportional to 18,079.16, 27,109.02 and 5,593.82 is: 8,387.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,079.16 : 27,109.02 = 5,593.82 : x
  2. Step 2: Convert to fraction form
    18,079.16/27,109.02 = 5,593.82/x
  3. Step 3: Cross multiply
    18,079.16x = 27,109.02 × 5,593.82
  4. Step 4: Simplify right side
    18,079.16x = 151,642,978.26
  5. Step 5: Solve for x
    x = 151,642,978.26/18,079.16
  6. Step 6: Final answer
    x = 8,387.72

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1.5x scale

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.