Home / 13,843.88-20,768.56-3,983.26

Finding the Fourth Proportional to 13,843.88, 20,768.56 and 3,983.26

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Solution

The fourth proportional to 13,843.88, 20,768.56 and 3,983.26 is: 5,975.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,843.88 : 20,768.56 = 3,983.26 : x
  2. Step 2: Convert to fraction form
    13,843.88/20,768.56 = 3,983.26/x
  3. Step 3: Cross multiply
    13,843.88x = 20,768.56 × 3,983.26
  4. Step 4: Simplify right side
    13,843.88x = 82,726,574.31
  5. Step 5: Solve for x
    x = 82,726,574.31/13,843.88
  6. Step 6: Final answer
    x = 5,975.68

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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.