Home / 11,542.20-17,300.94-8,245.29

Finding the Fourth Proportional to 11,542.20, 17,300.94 and 8,245.29

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Solution

The fourth proportional to 11,542.20, 17,300.94 and 8,245.29 is: 12,359.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,542.20 : 17,300.94 = 8,245.29 : x
  2. Step 2: Convert to fraction form
    11,542.20/17,300.94 = 8,245.29/x
  3. Step 3: Cross multiply
    11,542.20x = 17,300.94 × 8,245.29
  4. Step 4: Simplify right side
    11,542.20x = 142,651,267.57
  5. Step 5: Solve for x
    x = 142,651,267.57/11,542.20
  6. Step 6: Final answer
    x = 12,359.11

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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.