Home / 10,785.06-16,179.81-3,287.97

Finding the Fourth Proportional to 10,785.06, 16,179.81 and 3,287.97

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Solution

The fourth proportional to 10,785.06, 16,179.81 and 3,287.97 is: 4,932.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,785.06 : 16,179.81 = 3,287.97 : x
  2. Step 2: Convert to fraction form
    10,785.06/16,179.81 = 3,287.97/x
  3. Step 3: Cross multiply
    10,785.06x = 16,179.81 × 3,287.97
  4. Step 4: Simplify right side
    10,785.06x = 53,198,729.89
  5. Step 5: Solve for x
    x = 53,198,729.89/10,785.06
  6. Step 6: Final answer
    x = 4,932.63

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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.