Home / 20,250.20-30,382.58-7,104.62

Finding the Fourth Proportional to 20,250.20, 30,382.58 and 7,104.62

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Solution

The fourth proportional to 20,250.20, 30,382.58 and 7,104.62 is: 10,659.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250.20 : 30,382.58 = 7,104.62 : x
  2. Step 2: Convert to fraction form
    20,250.20/30,382.58 = 7,104.62/x
  3. Step 3: Cross multiply
    20,250.20x = 30,382.58 × 7,104.62
  4. Step 4: Simplify right side
    20,250.20x = 215,856,551.37
  5. Step 5: Solve for x
    x = 215,856,551.37/20,250.20
  6. Step 6: Final answer
    x = 10,659.48

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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.