Home / 11,676.75-16,114.20-6,371.65

Finding the Fourth Proportional to 11,676.75, 16,114.20 and 6,371.65

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Solution

The fourth proportional to 11,676.75, 16,114.20 and 6,371.65 is: 8,793.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,676.75 : 16,114.20 = 6,371.65 : x
  2. Step 2: Convert to fraction form
    11,676.75/16,114.20 = 6,371.65/x
  3. Step 3: Cross multiply
    11,676.75x = 16,114.20 × 6,371.65
  4. Step 4: Simplify right side
    11,676.75x = 102,674,042.43
  5. Step 5: Solve for x
    x = 102,674,042.43/11,676.75
  6. Step 6: Final answer
    x = 8,793.03

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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.