Home / 18,278.52-27,381.24-8,404.26

Finding the Fourth Proportional to 18,278.52, 27,381.24 and 8,404.26

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Solution

The fourth proportional to 18,278.52, 27,381.24 and 8,404.26 is: 12,589.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,278.52 : 27,381.24 = 8,404.26 : x
  2. Step 2: Convert to fraction form
    18,278.52/27,381.24 = 8,404.26/x
  3. Step 3: Cross multiply
    18,278.52x = 27,381.24 × 8,404.26
  4. Step 4: Simplify right side
    18,278.52x = 230,119,060.08
  5. Step 5: Solve for x
    x = 230,119,060.08/18,278.52
  6. Step 6: Final answer
    x = 12,589.59

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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.