Home / 18,549.38-27,817.32-5,397.68

Finding the Fourth Proportional to 18,549.38, 27,817.32 and 5,397.68

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Solution

The fourth proportional to 18,549.38, 27,817.32 and 5,397.68 is: 8,094.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,549.38 : 27,817.32 = 5,397.68 : x
  2. Step 2: Convert to fraction form
    18,549.38/27,817.32 = 5,397.68/x
  3. Step 3: Cross multiply
    18,549.38x = 27,817.32 × 5,397.68
  4. Step 4: Simplify right side
    18,549.38x = 150,148,991.82
  5. Step 5: Solve for x
    x = 150,148,991.82/18,549.38
  6. Step 6: Final answer
    x = 8,094.56

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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.