Home / 11,836.80-17,767.62-7,168.50

Finding the Fourth Proportional to 11,836.80, 17,767.62 and 7,168.50

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Solution

The fourth proportional to 11,836.80, 17,767.62 and 7,168.50 is: 10,760.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,836.80 : 17,767.62 = 7,168.50 : x
  2. Step 2: Convert to fraction form
    11,836.80/17,767.62 = 7,168.50/x
  3. Step 3: Cross multiply
    11,836.80x = 17,767.62 × 7,168.50
  4. Step 4: Simplify right side
    11,836.80x = 127,367,183.97
  5. Step 5: Solve for x
    x = 127,367,183.97/11,836.80
  6. Step 6: Final answer
    x = 10,760.27

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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.