Home / 20,200.36-30,288.50-8,344.92

Finding the Fourth Proportional to 20,200.36, 30,288.50 and 8,344.92

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Solution

The fourth proportional to 20,200.36, 30,288.50 and 8,344.92 is: 12,512.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,200.36 : 30,288.50 = 8,344.92 : x
  2. Step 2: Convert to fraction form
    20,200.36/30,288.50 = 8,344.92/x
  3. Step 3: Cross multiply
    20,200.36x = 30,288.50 × 8,344.92
  4. Step 4: Simplify right side
    20,200.36x = 252,755,109.42
  5. Step 5: Solve for x
    x = 252,755,109.42/20,200.36
  6. Step 6: Final answer
    x = 12,512.41

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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.