Home / 11,866.38-17,800.61-3,101.28

Finding the Fourth Proportional to 11,866.38, 17,800.61 and 3,101.28

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Solution

The fourth proportional to 11,866.38, 17,800.61 and 3,101.28 is: 4,652.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,866.38 : 17,800.61 = 3,101.28 : x
  2. Step 2: Convert to fraction form
    11,866.38/17,800.61 = 3,101.28/x
  3. Step 3: Cross multiply
    11,866.38x = 17,800.61 × 3,101.28
  4. Step 4: Simplify right side
    11,866.38x = 55,204,660.27
  5. Step 5: Solve for x
    x = 55,204,660.27/11,866.38
  6. Step 6: Final answer
    x = 4,652.19

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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.