Home / 10,774.92-16,161.91-3,379.21

Finding the Fourth Proportional to 10,774.92, 16,161.91 and 3,379.21

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Solution

The fourth proportional to 10,774.92, 16,161.91 and 3,379.21 is: 5,068.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,774.92 : 16,161.91 = 3,379.21 : x
  2. Step 2: Convert to fraction form
    10,774.92/16,161.91 = 3,379.21/x
  3. Step 3: Cross multiply
    10,774.92x = 16,161.91 × 3,379.21
  4. Step 4: Simplify right side
    10,774.92x = 54,614,487.89
  5. Step 5: Solve for x
    x = 54,614,487.89/10,774.92
  6. Step 6: Final answer
    x = 5,068.67

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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.