Home / 11,760.20-17,640.30-10,982.60

Finding the Fourth Proportional to 11,760.20, 17,640.30 and 10,982.60

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Solution

The fourth proportional to 11,760.20, 17,640.30 and 10,982.60 is: 16,473.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,760.20 : 17,640.30 = 10,982.60 : x
  2. Step 2: Convert to fraction form
    11,760.20/17,640.30 = 10,982.60/x
  3. Step 3: Cross multiply
    11,760.20x = 17,640.30 × 10,982.60
  4. Step 4: Simplify right side
    11,760.20x = 193,736,358.78
  5. Step 5: Solve for x
    x = 193,736,358.78/11,760.20
  6. Step 6: Final answer
    x = 16,473.90

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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.