Home / 12,186.66-18,287.27-11,195.22

Finding the Fourth Proportional to 12,186.66, 18,287.27 and 11,195.22

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Solution

The fourth proportional to 12,186.66, 18,287.27 and 11,195.22 is: 16,799.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,186.66 : 18,287.27 = 11,195.22 : x
  2. Step 2: Convert to fraction form
    12,186.66/18,287.27 = 11,195.22/x
  3. Step 3: Cross multiply
    12,186.66x = 18,287.27 × 11,195.22
  4. Step 4: Simplify right side
    12,186.66x = 204,730,010.85
  5. Step 5: Solve for x
    x = 204,730,010.85/12,186.66
  6. Step 6: Final answer
    x = 16,799.52

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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.