Home / 11,984.25-17,979.01-3,664.90

Finding the Fourth Proportional to 11,984.25, 17,979.01 and 3,664.90

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Solution

The fourth proportional to 11,984.25, 17,979.01 and 3,664.90 is: 5,498.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,984.25 : 17,979.01 = 3,664.90 : x
  2. Step 2: Convert to fraction form
    11,984.25/17,979.01 = 3,664.90/x
  3. Step 3: Cross multiply
    11,984.25x = 17,979.01 × 3,664.90
  4. Step 4: Simplify right side
    11,984.25x = 65,891,206.54
  5. Step 5: Solve for x
    x = 65,891,206.54/11,984.25
  6. Step 6: Final answer
    x = 5,498.15

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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.