Home / 13,295.97-19,947.36-3,935.61

Finding the Fourth Proportional to 13,295.97, 19,947.36 and 3,935.61

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Solution

The fourth proportional to 13,295.97, 19,947.36 and 3,935.61 is: 5,904.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295.97 : 19,947.36 = 3,935.61 : x
  2. Step 2: Convert to fraction form
    13,295.97/19,947.36 = 3,935.61/x
  3. Step 3: Cross multiply
    13,295.97x = 19,947.36 × 3,935.61
  4. Step 4: Simplify right side
    13,295.97x = 78,505,029.49
  5. Step 5: Solve for x
    x = 78,505,029.49/13,295.97
  6. Step 6: Final answer
    x = 5,904.42

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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.