Home / 12,163.45-18,247.91-3,843.97

Finding the Fourth Proportional to 12,163.45, 18,247.91 and 3,843.97

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Solution

The fourth proportional to 12,163.45, 18,247.91 and 3,843.97 is: 5,766.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,163.45 : 18,247.91 = 3,843.97 : x
  2. Step 2: Convert to fraction form
    12,163.45/18,247.91 = 3,843.97/x
  3. Step 3: Cross multiply
    12,163.45x = 18,247.91 × 3,843.97
  4. Step 4: Simplify right side
    12,163.45x = 70,144,418.60
  5. Step 5: Solve for x
    x = 70,144,418.60/12,163.45
  6. Step 6: Final answer
    x = 5,766.82

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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.