Home / 10,120.26-15,180.50-3,546.44

Finding the Fourth Proportional to 10,120.26, 15,180.50 and 3,546.44

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Solution

The fourth proportional to 10,120.26, 15,180.50 and 3,546.44 is: 5,319.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120.26 : 15,180.50 = 3,546.44 : x
  2. Step 2: Convert to fraction form
    10,120.26/15,180.50 = 3,546.44/x
  3. Step 3: Cross multiply
    10,120.26x = 15,180.50 × 3,546.44
  4. Step 4: Simplify right side
    10,120.26x = 53,836,732.42
  5. Step 5: Solve for x
    x = 53,836,732.42/10,120.26
  6. Step 6: Final answer
    x = 5,319.70

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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.