Home / 11,079.21-16,620.91-3,584.78

Finding the Fourth Proportional to 11,079.21, 16,620.91 and 3,584.78

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Solution

The fourth proportional to 11,079.21, 16,620.91 and 3,584.78 is: 5,377.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,079.21 : 16,620.91 = 3,584.78 : x
  2. Step 2: Convert to fraction form
    11,079.21/16,620.91 = 3,584.78/x
  3. Step 3: Cross multiply
    11,079.21x = 16,620.91 × 3,584.78
  4. Step 4: Simplify right side
    11,079.21x = 59,582,305.75
  5. Step 5: Solve for x
    x = 59,582,305.75/11,079.21
  6. Step 6: Final answer
    x = 5,377.85

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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.