Home / 18,381.42-27,572.12-5,233.91

Finding the Fourth Proportional to 18,381.42, 27,572.12 and 5,233.91

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Solution

The fourth proportional to 18,381.42, 27,572.12 and 5,233.91 is: 7,850.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,381.42 : 27,572.12 = 5,233.91 : x
  2. Step 2: Convert to fraction form
    18,381.42/27,572.12 = 5,233.91/x
  3. Step 3: Cross multiply
    18,381.42x = 27,572.12 × 5,233.91
  4. Step 4: Simplify right side
    18,381.42x = 144,309,830.56
  5. Step 5: Solve for x
    x = 144,309,830.56/18,381.42
  6. Step 6: Final answer
    x = 7,850.85

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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.