Home / 9,015.75-13,517.13-4,082.85

Finding the Fourth Proportional to 9,015.75, 13,517.13 and 4,082.85

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Solution

The fourth proportional to 9,015.75, 13,517.13 and 4,082.85 is: 6,121.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,015.75 : 13,517.13 = 4,082.85 : x
  2. Step 2: Convert to fraction form
    9,015.75/13,517.13 = 4,082.85/x
  3. Step 3: Cross multiply
    9,015.75x = 13,517.13 × 4,082.85
  4. Step 4: Simplify right side
    9,015.75x = 55,188,414.22
  5. Step 5: Solve for x
    x = 55,188,414.22/9,015.75
  6. Step 6: Final answer
    x = 6,121.33

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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.