Home / 16,764.31-25,108.19-8,005.38

Finding the Fourth Proportional to 16,764.31, 25,108.19 and 8,005.38

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Solution

The fourth proportional to 16,764.31, 25,108.19 and 8,005.38 is: 11,989.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,764.31 : 25,108.19 = 8,005.38 : x
  2. Step 2: Convert to fraction form
    16,764.31/25,108.19 = 8,005.38/x
  3. Step 3: Cross multiply
    16,764.31x = 25,108.19 × 8,005.38
  4. Step 4: Simplify right side
    16,764.31x = 201,000,499.26
  5. Step 5: Solve for x
    x = 201,000,499.26/16,764.31
  6. Step 6: Final answer
    x = 11,989.78

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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.