Home / 18,279.88-27,397.85-6,579.43

Finding the Fourth Proportional to 18,279.88, 27,397.85 and 6,579.43

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Solution

The fourth proportional to 18,279.88, 27,397.85 and 6,579.43 is: 9,861.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279.88 : 27,397.85 = 6,579.43 : x
  2. Step 2: Convert to fraction form
    18,279.88/27,397.85 = 6,579.43/x
  3. Step 3: Cross multiply
    18,279.88x = 27,397.85 × 6,579.43
  4. Step 4: Simplify right side
    18,279.88x = 180,262,134.83
  5. Step 5: Solve for x
    x = 180,262,134.83/18,279.88
  6. Step 6: Final answer
    x = 9,861.23

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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.