Home / 11,963.44-17,946.52-3,198.72

Finding the Fourth Proportional to 11,963.44, 17,946.52 and 3,198.72

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Solution

The fourth proportional to 11,963.44, 17,946.52 and 3,198.72 is: 4,798.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,963.44 : 17,946.52 = 3,198.72 : x
  2. Step 2: Convert to fraction form
    11,963.44/17,946.52 = 3,198.72/x
  3. Step 3: Cross multiply
    11,963.44x = 17,946.52 × 3,198.72
  4. Step 4: Simplify right side
    11,963.44x = 57,405,892.45
  5. Step 5: Solve for x
    x = 57,405,892.45/11,963.44
  6. Step 6: Final answer
    x = 4,798.44

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1.5x scale

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.