Home / 14,436.43-21,656.85-3,906.79

Finding the Fourth Proportional to 14,436.43, 21,656.85 and 3,906.79

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Solution

The fourth proportional to 14,436.43, 21,656.85 and 3,906.79 is: 5,860.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,436.43 : 21,656.85 = 3,906.79 : x
  2. Step 2: Convert to fraction form
    14,436.43/21,656.85 = 3,906.79/x
  3. Step 3: Cross multiply
    14,436.43x = 21,656.85 × 3,906.79
  4. Step 4: Simplify right side
    14,436.43x = 84,608,765.01
  5. Step 5: Solve for x
    x = 84,608,765.01/14,436.43
  6. Step 6: Final answer
    x = 5,860.78

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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.