Home / 12,080.44-18,118.53-3,195.85

Finding the Fourth Proportional to 12,080.44, 18,118.53 and 3,195.85

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Solution

The fourth proportional to 12,080.44, 18,118.53 and 3,195.85 is: 4,793.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,080.44 : 18,118.53 = 3,195.85 : x
  2. Step 2: Convert to fraction form
    12,080.44/18,118.53 = 3,195.85/x
  3. Step 3: Cross multiply
    12,080.44x = 18,118.53 × 3,195.85
  4. Step 4: Simplify right side
    12,080.44x = 57,904,104.10
  5. Step 5: Solve for x
    x = 57,904,104.10/12,080.44
  6. Step 6: Final answer
    x = 4,793.21

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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.