Home / 10,910.76-16,354.94-6,221.18

Finding the Fourth Proportional to 10,910.76, 16,354.94 and 6,221.18

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Solution

The fourth proportional to 10,910.76, 16,354.94 and 6,221.18 is: 9,325.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,910.76 : 16,354.94 = 6,221.18 : x
  2. Step 2: Convert to fraction form
    10,910.76/16,354.94 = 6,221.18/x
  3. Step 3: Cross multiply
    10,910.76x = 16,354.94 × 6,221.18
  4. Step 4: Simplify right side
    10,910.76x = 101,746,912.75
  5. Step 5: Solve for x
    x = 101,746,912.75/10,910.76
  6. Step 6: Final answer
    x = 9,325.37

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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.