Home / 20,244.43-30,380.20-7,096.80

Finding the Fourth Proportional to 20,244.43, 30,380.20 and 7,096.80

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Solution

The fourth proportional to 20,244.43, 30,380.20 and 7,096.80 is: 10,649.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,244.43 : 30,380.20 = 7,096.80 : x
  2. Step 2: Convert to fraction form
    20,244.43/30,380.20 = 7,096.80/x
  3. Step 3: Cross multiply
    20,244.43x = 30,380.20 × 7,096.80
  4. Step 4: Simplify right side
    20,244.43x = 215,602,015.98
  5. Step 5: Solve for x
    x = 215,602,015.98/20,244.43
  6. Step 6: Final answer
    x = 10,649.95

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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.