Home / 15,453.20-23,147.40-12,150.56

Finding the Fourth Proportional to 15,453.20, 23,147.40 and 12,150.56

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Solution

The fourth proportional to 15,453.20, 23,147.40 and 12,150.56 is: 18,200.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,453.20 : 23,147.40 = 12,150.56 : x
  2. Step 2: Convert to fraction form
    15,453.20/23,147.40 = 12,150.56/x
  3. Step 3: Cross multiply
    15,453.20x = 23,147.40 × 12,150.56
  4. Step 4: Simplify right side
    15,453.20x = 281,253,872.54
  5. Step 5: Solve for x
    x = 281,253,872.54/15,453.20
  6. Step 6: Final answer
    x = 18,200.36

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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.