Home / 20,366.24-30,541.10-8,512.20

Finding the Fourth Proportional to 20,366.24, 30,541.10 and 8,512.20

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Solution

The fourth proportional to 20,366.24, 30,541.10 and 8,512.20 is: 12,764.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,366.24 : 30,541.10 = 8,512.20 : x
  2. Step 2: Convert to fraction form
    20,366.24/30,541.10 = 8,512.20/x
  3. Step 3: Cross multiply
    20,366.24x = 30,541.10 × 8,512.20
  4. Step 4: Simplify right side
    20,366.24x = 259,971,951.42
  5. Step 5: Solve for x
    x = 259,971,951.42/20,366.24
  6. Step 6: Final answer
    x = 12,764.85

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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.