Home / 18,388.44-25,375.24-10,211.54

Finding the Fourth Proportional to 18,388.44, 25,375.24 and 10,211.54

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Solution

The fourth proportional to 18,388.44, 25,375.24 and 10,211.54 is: 14,091.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388.44 : 25,375.24 = 10,211.54 : x
  2. Step 2: Convert to fraction form
    18,388.44/25,375.24 = 10,211.54/x
  3. Step 3: Cross multiply
    18,388.44x = 25,375.24 × 10,211.54
  4. Step 4: Simplify right side
    18,388.44x = 259,120,278.27
  5. Step 5: Solve for x
    x = 259,120,278.27/18,388.44
  6. Step 6: Final answer
    x = 14,091.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.