Home / 11,974.80-17,963.32-6,136.40

Finding the Fourth Proportional to 11,974.80, 17,963.32 and 6,136.40

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Solution

The fourth proportional to 11,974.80, 17,963.32 and 6,136.40 is: 9,205.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,974.80 : 17,963.32 = 6,136.40 : x
  2. Step 2: Convert to fraction form
    11,974.80/17,963.32 = 6,136.40/x
  3. Step 3: Cross multiply
    11,974.80x = 17,963.32 × 6,136.40
  4. Step 4: Simplify right side
    11,974.80x = 110,230,116.85
  5. Step 5: Solve for x
    x = 110,230,116.85/11,974.80
  6. Step 6: Final answer
    x = 9,205.17

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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.