Home / 11,189.30-16,747.42-8,226.96

Finding the Fourth Proportional to 11,189.30, 16,747.42 and 8,226.96

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Solution

The fourth proportional to 11,189.30, 16,747.42 and 8,226.96 is: 12,313.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.30 : 16,747.42 = 8,226.96 : x
  2. Step 2: Convert to fraction form
    11,189.30/16,747.42 = 8,226.96/x
  3. Step 3: Cross multiply
    11,189.30x = 16,747.42 × 8,226.96
  4. Step 4: Simplify right side
    11,189.30x = 137,780,354.44
  5. Step 5: Solve for x
    x = 137,780,354.44/11,189.30
  6. Step 6: Final answer
    x = 12,313.58

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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.