Home / 11,976.51-17,963.91-3,211.14

Finding the Fourth Proportional to 11,976.51, 17,963.91 and 3,211.14

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Solution

The fourth proportional to 11,976.51, 17,963.91 and 3,211.14 is: 4,816.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,976.51 : 17,963.91 = 3,211.14 : x
  2. Step 2: Convert to fraction form
    11,976.51/17,963.91 = 3,211.14/x
  3. Step 3: Cross multiply
    11,976.51x = 17,963.91 × 3,211.14
  4. Step 4: Simplify right side
    11,976.51x = 57,684,629.96
  5. Step 5: Solve for x
    x = 57,684,629.96/11,976.51
  6. Step 6: Final answer
    x = 4,816.48

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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.