Home / 18,132.96-27,194.94-4,984.68

Finding the Fourth Proportional to 18,132.96, 27,194.94 and 4,984.68

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Solution

The fourth proportional to 18,132.96, 27,194.94 and 4,984.68 is: 7,475.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,132.96 : 27,194.94 = 4,984.68 : x
  2. Step 2: Convert to fraction form
    18,132.96/27,194.94 = 4,984.68/x
  3. Step 3: Cross multiply
    18,132.96x = 27,194.94 × 4,984.68
  4. Step 4: Simplify right side
    18,132.96x = 135,558,073.52
  5. Step 5: Solve for x
    x = 135,558,073.52/18,132.96
  6. Step 6: Final answer
    x = 7,475.78

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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.