Home / 11,657.05-16,086.70-6,351.85

Finding the Fourth Proportional to 11,657.05, 16,086.70 and 6,351.85

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Solution

The fourth proportional to 11,657.05, 16,086.70 and 6,351.85 is: 8,765.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,657.05 : 16,086.70 = 6,351.85 : x
  2. Step 2: Convert to fraction form
    11,657.05/16,086.70 = 6,351.85/x
  3. Step 3: Cross multiply
    11,657.05x = 16,086.70 × 6,351.85
  4. Step 4: Simplify right side
    11,657.05x = 102,180,333.44
  5. Step 5: Solve for x
    x = 102,180,333.44/11,657.05
  6. Step 6: Final answer
    x = 8,765.54

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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.