Home / 20,443.92-30,677.70-8,596.75

Finding the Fourth Proportional to 20,443.92, 30,677.70 and 8,596.75

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Solution

The fourth proportional to 20,443.92, 30,677.70 and 8,596.75 is: 12,900.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,443.92 : 30,677.70 = 8,596.75 : x
  2. Step 2: Convert to fraction form
    20,443.92/30,677.70 = 8,596.75/x
  3. Step 3: Cross multiply
    20,443.92x = 30,677.70 × 8,596.75
  4. Step 4: Simplify right side
    20,443.92x = 263,728,517.48
  5. Step 5: Solve for x
    x = 263,728,517.48/20,443.92
  6. Step 6: Final answer
    x = 12,900.10

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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.