Home / 11,983.09-17,976.99-3,664.29

Finding the Fourth Proportional to 11,983.09, 17,976.99 and 3,664.29

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Solution

The fourth proportional to 11,983.09, 17,976.99 and 3,664.29 is: 5,497.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,983.09 : 17,976.99 = 3,664.29 : x
  2. Step 2: Convert to fraction form
    11,983.09/17,976.99 = 3,664.29/x
  3. Step 3: Cross multiply
    11,983.09x = 17,976.99 × 3,664.29
  4. Step 4: Simplify right side
    11,983.09x = 65,872,864.11
  5. Step 5: Solve for x
    x = 65,872,864.11/11,983.09
  6. Step 6: Final answer
    x = 5,497.15

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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.