Home / 11,963.74-17,945.61-3,198.70

Finding the Fourth Proportional to 11,963.74, 17,945.61 and 3,198.70

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Solution

The fourth proportional to 11,963.74, 17,945.61 and 3,198.70 is: 4,798.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,963.74 : 17,945.61 = 3,198.70 : x
  2. Step 2: Convert to fraction form
    11,963.74/17,945.61 = 3,198.70/x
  3. Step 3: Cross multiply
    11,963.74x = 17,945.61 × 3,198.70
  4. Step 4: Simplify right side
    11,963.74x = 57,402,622.71
  5. Step 5: Solve for x
    x = 57,402,622.71/11,963.74
  6. Step 6: Final answer
    x = 4,798.05

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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.