Home / 13,799.52-20,682.84-7,944

Finding the Fourth Proportional to 13,799.52, 20,682.84 and 7,944

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Solution

The fourth proportional to 13,799.52, 20,682.84 and 7,944 is: 11,906.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799.52 : 20,682.84 = 7,944 : x
  2. Step 2: Convert to fraction form
    13,799.52/20,682.84 = 7,944/x
  3. Step 3: Cross multiply
    13,799.52x = 20,682.84 × 7,944
  4. Step 4: Simplify right side
    13,799.52x = 164,304,480.96
  5. Step 5: Solve for x
    x = 164,304,480.96/13,799.52
  6. Step 6: Final answer
    x = 11,906.54

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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.