Home / 18,016.10-27,028.20-5,536.70

Finding the Fourth Proportional to 18,016.10, 27,028.20 and 5,536.70

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Solution

The fourth proportional to 18,016.10, 27,028.20 and 5,536.70 is: 8,306.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,016.10 : 27,028.20 = 5,536.70 : x
  2. Step 2: Convert to fraction form
    18,016.10/27,028.20 = 5,536.70/x
  3. Step 3: Cross multiply
    18,016.10x = 27,028.20 × 5,536.70
  4. Step 4: Simplify right side
    18,016.10x = 149,647,034.94
  5. Step 5: Solve for x
    x = 149,647,034.94/18,016.10
  6. Step 6: Final answer
    x = 8,306.29

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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.