Home / 11,079.28-16,616.80-3,286.32

Finding the Fourth Proportional to 11,079.28, 16,616.80 and 3,286.32

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Solution

The fourth proportional to 11,079.28, 16,616.80 and 3,286.32 is: 4,928.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,079.28 : 16,616.80 = 3,286.32 : x
  2. Step 2: Convert to fraction form
    11,079.28/16,616.80 = 3,286.32/x
  3. Step 3: Cross multiply
    11,079.28x = 16,616.80 × 3,286.32
  4. Step 4: Simplify right side
    11,079.28x = 54,608,122.18
  5. Step 5: Solve for x
    x = 54,608,122.18/11,079.28
  6. Step 6: Final answer
    x = 4,928.85

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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.