Home / 10,115.58-15,177.42-3,546.48

Finding the Fourth Proportional to 10,115.58, 15,177.42 and 3,546.48

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Solution

The fourth proportional to 10,115.58, 15,177.42 and 3,546.48 is: 5,321.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,115.58 : 15,177.42 = 3,546.48 : x
  2. Step 2: Convert to fraction form
    10,115.58/15,177.42 = 3,546.48/x
  3. Step 3: Cross multiply
    10,115.58x = 15,177.42 × 3,546.48
  4. Step 4: Simplify right side
    10,115.58x = 53,826,416.48
  5. Step 5: Solve for x
    x = 53,826,416.48/10,115.58
  6. Step 6: Final answer
    x = 5,321.14

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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.