Home / 18,144.20-27,186.46-11,204.36

Finding the Fourth Proportional to 18,144.20, 27,186.46 and 11,204.36

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Solution

The fourth proportional to 18,144.20, 27,186.46 and 11,204.36 is: 16,788.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144.20 : 27,186.46 = 11,204.36 : x
  2. Step 2: Convert to fraction form
    18,144.20/27,186.46 = 11,204.36/x
  3. Step 3: Cross multiply
    18,144.20x = 27,186.46 × 11,204.36
  4. Step 4: Simplify right side
    18,144.20x = 304,606,884.97
  5. Step 5: Solve for x
    x = 304,606,884.97/18,144.20
  6. Step 6: Final answer
    x = 16,788.11

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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.