Home / 13,844.72-20,766.84-3,983.60

Finding the Fourth Proportional to 13,844.72, 20,766.84 and 3,983.60

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Solution

The fourth proportional to 13,844.72, 20,766.84 and 3,983.60 is: 5,975.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,844.72 : 20,766.84 = 3,983.60 : x
  2. Step 2: Convert to fraction form
    13,844.72/20,766.84 = 3,983.60/x
  3. Step 3: Cross multiply
    13,844.72x = 20,766.84 × 3,983.60
  4. Step 4: Simplify right side
    13,844.72x = 82,726,783.82
  5. Step 5: Solve for x
    x = 82,726,783.82/13,844.72
  6. Step 6: Final answer
    x = 5,975.33

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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.