Home / 13,965.40-20,936.32-6,061.96

Finding the Fourth Proportional to 13,965.40, 20,936.32 and 6,061.96

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Solution

The fourth proportional to 13,965.40, 20,936.32 and 6,061.96 is: 9,087.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,965.40 : 20,936.32 = 6,061.96 : x
  2. Step 2: Convert to fraction form
    13,965.40/20,936.32 = 6,061.96/x
  3. Step 3: Cross multiply
    13,965.40x = 20,936.32 × 6,061.96
  4. Step 4: Simplify right side
    13,965.40x = 126,915,134.39
  5. Step 5: Solve for x
    x = 126,915,134.39/13,965.40
  6. Step 6: Final answer
    x = 9,087.83

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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.