Home / 11,236-16,861.56-6,736.72

Finding the Fourth Proportional to 11,236, 16,861.56 and 6,736.72

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Solution

The fourth proportional to 11,236, 16,861.56 and 6,736.72 is: 10,109.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,236 : 16,861.56 = 6,736.72 : x
  2. Step 2: Convert to fraction form
    11,236/16,861.56 = 6,736.72/x
  3. Step 3: Cross multiply
    11,236x = 16,861.56 × 6,736.72
  4. Step 4: Simplify right side
    11,236x = 113,591,608.48
  5. Step 5: Solve for x
    x = 113,591,608.48/11,236
  6. Step 6: Final answer
    x = 10,109.61

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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.