Home / 20,168.76-30,227.22-8,465.88

Finding the Fourth Proportional to 20,168.76, 30,227.22 and 8,465.88

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Solution

The fourth proportional to 20,168.76, 30,227.22 and 8,465.88 is: 12,687.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,168.76 : 30,227.22 = 8,465.88 : x
  2. Step 2: Convert to fraction form
    20,168.76/30,227.22 = 8,465.88/x
  3. Step 3: Cross multiply
    20,168.76x = 30,227.22 × 8,465.88
  4. Step 4: Simplify right side
    20,168.76x = 255,900,017.25
  5. Step 5: Solve for x
    x = 255,900,017.25/20,168.76
  6. Step 6: Final answer
    x = 12,687.94

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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.