Home / 20,645.20-30,967.92-5,062.84

Finding the Fourth Proportional to 20,645.20, 30,967.92 and 5,062.84

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Solution

The fourth proportional to 20,645.20, 30,967.92 and 5,062.84 is: 7,594.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,645.20 : 30,967.92 = 5,062.84 : x
  2. Step 2: Convert to fraction form
    20,645.20/30,967.92 = 5,062.84/x
  3. Step 3: Cross multiply
    20,645.20x = 30,967.92 × 5,062.84
  4. Step 4: Simplify right side
    20,645.20x = 156,785,624.09
  5. Step 5: Solve for x
    x = 156,785,624.09/20,645.20
  6. Step 6: Final answer
    x = 7,594.29

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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.