Home / 11,118.91-16,680.60-4,098.96

Finding the Fourth Proportional to 11,118.91, 16,680.60 and 4,098.96

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Solution

The fourth proportional to 11,118.91, 16,680.60 and 4,098.96 is: 6,149.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.91 : 16,680.60 = 4,098.96 : x
  2. Step 2: Convert to fraction form
    11,118.91/16,680.60 = 4,098.96/x
  3. Step 3: Cross multiply
    11,118.91x = 16,680.60 × 4,098.96
  4. Step 4: Simplify right side
    11,118.91x = 68,373,112.18
  5. Step 5: Solve for x
    x = 68,373,112.18/11,118.91
  6. Step 6: Final answer
    x = 6,149.26

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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.