Home / 12,034.38-18,043.32-6,412.88

Finding the Fourth Proportional to 12,034.38, 18,043.32 and 6,412.88

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Solution

The fourth proportional to 12,034.38, 18,043.32 and 6,412.88 is: 9,614.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,034.38 : 18,043.32 = 6,412.88 : x
  2. Step 2: Convert to fraction form
    12,034.38/18,043.32 = 6,412.88/x
  3. Step 3: Cross multiply
    12,034.38x = 18,043.32 × 6,412.88
  4. Step 4: Simplify right side
    12,034.38x = 115,709,645.96
  5. Step 5: Solve for x
    x = 115,709,645.96/12,034.38
  6. Step 6: Final answer
    x = 9,614.92

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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.