Home / 11,979.73-17,970.27-3,661.03

Finding the Fourth Proportional to 11,979.73, 17,970.27 and 3,661.03

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Solution

The fourth proportional to 11,979.73, 17,970.27 and 3,661.03 is: 5,491.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,979.73 : 17,970.27 = 3,661.03 : x
  2. Step 2: Convert to fraction form
    11,979.73/17,970.27 = 3,661.03/x
  3. Step 3: Cross multiply
    11,979.73x = 17,970.27 × 3,661.03
  4. Step 4: Simplify right side
    11,979.73x = 65,789,697.58
  5. Step 5: Solve for x
    x = 65,789,697.58/11,979.73
  6. Step 6: Final answer
    x = 5,491.75

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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.