Home / 12,249.29-18,375.57-3,926.54

Finding the Fourth Proportional to 12,249.29, 18,375.57 and 3,926.54

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Solution

The fourth proportional to 12,249.29, 18,375.57 and 3,926.54 is: 5,890.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249.29 : 18,375.57 = 3,926.54 : x
  2. Step 2: Convert to fraction form
    12,249.29/18,375.57 = 3,926.54/x
  3. Step 3: Cross multiply
    12,249.29x = 18,375.57 × 3,926.54
  4. Step 4: Simplify right side
    12,249.29x = 72,152,318.75
  5. Step 5: Solve for x
    x = 72,152,318.75/12,249.29
  6. Step 6: Final answer
    x = 5,890.33

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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.