Home / 10,120.36-15,179.17-2,725.27

Finding the Fourth Proportional to 10,120.36, 15,179.17 and 2,725.27

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Solution

The fourth proportional to 10,120.36, 15,179.17 and 2,725.27 is: 4,087.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120.36 : 15,179.17 = 2,725.27 : x
  2. Step 2: Convert to fraction form
    10,120.36/15,179.17 = 2,725.27/x
  3. Step 3: Cross multiply
    10,120.36x = 15,179.17 × 2,725.27
  4. Step 4: Simplify right side
    10,120.36x = 41,367,260.73
  5. Step 5: Solve for x
    x = 41,367,260.73/10,120.36
  6. Step 6: Final answer
    x = 4,087.53

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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.