Home / 9,414.60-14,121.90-7,883.70

Finding the Fourth Proportional to 9,414.60, 14,121.90 and 7,883.70

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Solution

The fourth proportional to 9,414.60, 14,121.90 and 7,883.70 is: 11,825.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,414.60 : 14,121.90 = 7,883.70 : x
  2. Step 2: Convert to fraction form
    9,414.60/14,121.90 = 7,883.70/x
  3. Step 3: Cross multiply
    9,414.60x = 14,121.90 × 7,883.70
  4. Step 4: Simplify right side
    9,414.60x = 111,332,823.03
  5. Step 5: Solve for x
    x = 111,332,823.03/9,414.60
  6. Step 6: Final answer
    x = 11,825.55

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Similar ratio
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1.5x scale

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.