Home / 11,776.44-16,234.36-8,228.64

Finding the Fourth Proportional to 11,776.44, 16,234.36 and 8,228.64

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Solution

The fourth proportional to 11,776.44, 16,234.36 and 8,228.64 is: 11,343.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,776.44 : 16,234.36 = 8,228.64 : x
  2. Step 2: Convert to fraction form
    11,776.44/16,234.36 = 8,228.64/x
  3. Step 3: Cross multiply
    11,776.44x = 16,234.36 × 8,228.64
  4. Step 4: Simplify right side
    11,776.44x = 133,586,704.07
  5. Step 5: Solve for x
    x = 133,586,704.07/11,776.44
  6. Step 6: Final answer
    x = 11,343.56

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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.