Home / 18,579.58-27,862.23-6,729.86

Finding the Fourth Proportional to 18,579.58, 27,862.23 and 6,729.86

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Solution

The fourth proportional to 18,579.58, 27,862.23 and 6,729.86 is: 10,092.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,579.58 : 27,862.23 = 6,729.86 : x
  2. Step 2: Convert to fraction form
    18,579.58/27,862.23 = 6,729.86/x
  3. Step 3: Cross multiply
    18,579.58x = 27,862.23 × 6,729.86
  4. Step 4: Simplify right side
    18,579.58x = 187,508,885.86
  5. Step 5: Solve for x
    x = 187,508,885.86/18,579.58
  6. Step 6: Final answer
    x = 10,092.20

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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.