Home / 18,251.22-27,375.48-10,902.36

Finding the Fourth Proportional to 18,251.22, 27,375.48 and 10,902.36

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Solution

The fourth proportional to 18,251.22, 27,375.48 and 10,902.36 is: 16,352.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251.22 : 27,375.48 = 10,902.36 : x
  2. Step 2: Convert to fraction form
    18,251.22/27,375.48 = 10,902.36/x
  3. Step 3: Cross multiply
    18,251.22x = 27,375.48 × 10,902.36
  4. Step 4: Simplify right side
    18,251.22x = 298,457,338.13
  5. Step 5: Solve for x
    x = 298,457,338.13/18,251.22
  6. Step 6: Final answer
    x = 16,352.73

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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.