Home / 13,793.06-20,692.64-3,932.42

Finding the Fourth Proportional to 13,793.06, 20,692.64 and 3,932.42

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Solution

The fourth proportional to 13,793.06, 20,692.64 and 3,932.42 is: 5,899.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,793.06 : 20,692.64 = 3,932.42 : x
  2. Step 2: Convert to fraction form
    13,793.06/20,692.64 = 3,932.42/x
  3. Step 3: Cross multiply
    13,793.06x = 20,692.64 × 3,932.42
  4. Step 4: Simplify right side
    13,793.06x = 81,372,212.95
  5. Step 5: Solve for x
    x = 81,372,212.95/13,793.06
  6. Step 6: Final answer
    x = 5,899.50

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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.