Home / 9,414.30-14,121.39-2,488.80

Finding the Fourth Proportional to 9,414.30, 14,121.39 and 2,488.80

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Solution

The fourth proportional to 9,414.30, 14,121.39 and 2,488.80 is: 3,733.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,414.30 : 14,121.39 = 2,488.80 : x
  2. Step 2: Convert to fraction form
    9,414.30/14,121.39 = 2,488.80/x
  3. Step 3: Cross multiply
    9,414.30x = 14,121.39 × 2,488.80
  4. Step 4: Simplify right side
    9,414.30x = 35,145,315.43
  5. Step 5: Solve for x
    x = 35,145,315.43/9,414.30
  6. Step 6: Final answer
    x = 3,733.18

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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.