Home / 20,132.18-30,200.37-6,806.73

Finding the Fourth Proportional to 20,132.18, 30,200.37 and 6,806.73

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Solution

The fourth proportional to 20,132.18, 30,200.37 and 6,806.73 is: 10,210.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,132.18 : 30,200.37 = 6,806.73 : x
  2. Step 2: Convert to fraction form
    20,132.18/30,200.37 = 6,806.73/x
  3. Step 3: Cross multiply
    20,132.18x = 30,200.37 × 6,806.73
  4. Step 4: Simplify right side
    20,132.18x = 205,565,764.49
  5. Step 5: Solve for x
    x = 205,565,764.49/20,132.18
  6. Step 6: Final answer
    x = 10,210.81

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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.