Home / 11,963.04-17,943.15-3,198.63

Finding the Fourth Proportional to 11,963.04, 17,943.15 and 3,198.63

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Solution

The fourth proportional to 11,963.04, 17,943.15 and 3,198.63 is: 4,797.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,963.04 : 17,943.15 = 3,198.63 : x
  2. Step 2: Convert to fraction form
    11,963.04/17,943.15 = 3,198.63/x
  3. Step 3: Cross multiply
    11,963.04x = 17,943.15 × 3,198.63
  4. Step 4: Simplify right side
    11,963.04x = 57,393,497.88
  5. Step 5: Solve for x
    x = 57,393,497.88/11,963.04
  6. Step 6: Final answer
    x = 4,797.57

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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.