Home / 11,480.91-17,219.19-3,158.85

Finding the Fourth Proportional to 11,480.91, 17,219.19 and 3,158.85

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Solution

The fourth proportional to 11,480.91, 17,219.19 and 3,158.85 is: 4,737.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,480.91 : 17,219.19 = 3,158.85 : x
  2. Step 2: Convert to fraction form
    11,480.91/17,219.19 = 3,158.85/x
  3. Step 3: Cross multiply
    11,480.91x = 17,219.19 × 3,158.85
  4. Step 4: Simplify right side
    11,480.91x = 54,392,838.33
  5. Step 5: Solve for x
    x = 54,392,838.33/11,480.91
  6. Step 6: Final answer
    x = 4,737.68

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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.