Home / 20,440.92-30,673.20-8,593.76

Finding the Fourth Proportional to 20,440.92, 30,673.20 and 8,593.76

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Solution

The fourth proportional to 20,440.92, 30,673.20 and 8,593.76 is: 12,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,440.92 : 30,673.20 = 8,593.76 : x
  2. Step 2: Convert to fraction form
    20,440.92/30,673.20 = 8,593.76/x
  3. Step 3: Cross multiply
    20,440.92x = 30,673.20 × 8,593.76
  4. Step 4: Simplify right side
    20,440.92x = 263,597,965.87
  5. Step 5: Solve for x
    x = 263,597,965.87/20,440.92
  6. Step 6: Final answer
    x = 12,895.60

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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.