Home / 9,418.74-14,132.97-3,876.18

Finding the Fourth Proportional to 9,418.74, 14,132.97 and 3,876.18

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Solution

The fourth proportional to 9,418.74, 14,132.97 and 3,876.18 is: 5,816.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.74 : 14,132.97 = 3,876.18 : x
  2. Step 2: Convert to fraction form
    9,418.74/14,132.97 = 3,876.18/x
  3. Step 3: Cross multiply
    9,418.74x = 14,132.97 × 3,876.18
  4. Step 4: Simplify right side
    9,418.74x = 54,781,935.65
  5. Step 5: Solve for x
    x = 54,781,935.65/9,418.74
  6. Step 6: Final answer
    x = 5,816.27

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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.