Home / 11,480.27-17,218.39-3,158.28

Finding the Fourth Proportional to 11,480.27, 17,218.39 and 3,158.28

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Solution

The fourth proportional to 11,480.27, 17,218.39 and 3,158.28 is: 4,736.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,480.27 : 17,218.39 = 3,158.28 : x
  2. Step 2: Convert to fraction form
    11,480.27/17,218.39 = 3,158.28/x
  3. Step 3: Cross multiply
    11,480.27x = 17,218.39 × 3,158.28
  4. Step 4: Simplify right side
    11,480.27x = 54,380,488.87
  5. Step 5: Solve for x
    x = 54,380,488.87/11,480.27
  6. Step 6: Final answer
    x = 4,736.86

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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.