Home / 11,223.97-16,830.45-6,414.85

Finding the Fourth Proportional to 11,223.97, 16,830.45 and 6,414.85

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Solution

The fourth proportional to 11,223.97, 16,830.45 and 6,414.85 is: 9,619.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.97 : 16,830.45 = 6,414.85 : x
  2. Step 2: Convert to fraction form
    11,223.97/16,830.45 = 6,414.85/x
  3. Step 3: Cross multiply
    11,223.97x = 16,830.45 × 6,414.85
  4. Step 4: Simplify right side
    11,223.97x = 107,964,812.18
  5. Step 5: Solve for x
    x = 107,964,812.18/11,223.97
  6. Step 6: Final answer
    x = 9,619.13

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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.