Home / 12,628.44-18,942.03-3,862.71

Finding the Fourth Proportional to 12,628.44, 18,942.03 and 3,862.71

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Solution

The fourth proportional to 12,628.44, 18,942.03 and 3,862.71 is: 5,793.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,628.44 : 18,942.03 = 3,862.71 : x
  2. Step 2: Convert to fraction form
    12,628.44/18,942.03 = 3,862.71/x
  3. Step 3: Cross multiply
    12,628.44x = 18,942.03 × 3,862.71
  4. Step 4: Simplify right side
    12,628.44x = 73,167,568.70
  5. Step 5: Solve for x
    x = 73,167,568.70/12,628.44
  6. Step 6: Final answer
    x = 5,793.87

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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.