Home / 14,936.38-20,611.68-8,221.96

Finding the Fourth Proportional to 14,936.38, 20,611.68 and 8,221.96

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Solution

The fourth proportional to 14,936.38, 20,611.68 and 8,221.96 is: 11,346.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,936.38 : 20,611.68 = 8,221.96 : x
  2. Step 2: Convert to fraction form
    14,936.38/20,611.68 = 8,221.96/x
  3. Step 3: Cross multiply
    14,936.38x = 20,611.68 × 8,221.96
  4. Step 4: Simplify right side
    14,936.38x = 169,468,408.49
  5. Step 5: Solve for x
    x = 169,468,408.49/14,936.38
  6. Step 6: Final answer
    x = 11,346.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.