Home / 12,702.44-19,055.26-3,936.04

Finding the Fourth Proportional to 12,702.44, 19,055.26 and 3,936.04

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Solution

The fourth proportional to 12,702.44, 19,055.26 and 3,936.04 is: 5,904.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,702.44 : 19,055.26 = 3,936.04 : x
  2. Step 2: Convert to fraction form
    12,702.44/19,055.26 = 3,936.04/x
  3. Step 3: Cross multiply
    12,702.44x = 19,055.26 × 3,936.04
  4. Step 4: Simplify right side
    12,702.44x = 75,002,265.57
  5. Step 5: Solve for x
    x = 75,002,265.57/12,702.44
  6. Step 6: Final answer
    x = 5,904.56

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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.