Home / 11,976.22-17,963.50-4,478.36

Finding the Fourth Proportional to 11,976.22, 17,963.50 and 4,478.36

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Solution

The fourth proportional to 11,976.22, 17,963.50 and 4,478.36 is: 6,717.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,976.22 : 17,963.50 = 4,478.36 : x
  2. Step 2: Convert to fraction form
    11,976.22/17,963.50 = 4,478.36/x
  3. Step 3: Cross multiply
    11,976.22x = 17,963.50 × 4,478.36
  4. Step 4: Simplify right side
    11,976.22x = 80,446,914.65
  5. Step 5: Solve for x
    x = 80,446,914.65/11,976.22
  6. Step 6: Final answer
    x = 6,717.22

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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.