Home / 13,796.21-20,691.56-3,932.84

Finding the Fourth Proportional to 13,796.21, 20,691.56 and 3,932.84

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Solution

The fourth proportional to 13,796.21, 20,691.56 and 3,932.84 is: 5,898.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,796.21 : 20,691.56 = 3,932.84 : x
  2. Step 2: Convert to fraction form
    13,796.21/20,691.56 = 3,932.84/x
  3. Step 3: Cross multiply
    13,796.21x = 20,691.56 × 3,932.84
  4. Step 4: Simplify right side
    13,796.21x = 81,376,471.71
  5. Step 5: Solve for x
    x = 81,376,471.71/13,796.21
  6. Step 6: Final answer
    x = 5,898.47

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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.