Home / 20,244.27-30,359.10-8,558.40

Finding the Fourth Proportional to 20,244.27, 30,359.10 and 8,558.40

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Solution

The fourth proportional to 20,244.27, 30,359.10 and 8,558.40 is: 12,834.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,244.27 : 30,359.10 = 8,558.40 : x
  2. Step 2: Convert to fraction form
    20,244.27/30,359.10 = 8,558.40/x
  3. Step 3: Cross multiply
    20,244.27x = 30,359.10 × 8,558.40
  4. Step 4: Simplify right side
    20,244.27x = 259,825,321.44
  5. Step 5: Solve for x
    x = 259,825,321.44/20,244.27
  6. Step 6: Final answer
    x = 12,834.51

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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.