Home / 11,104.92-15,317.72-8,446.50

Finding the Fourth Proportional to 11,104.92, 15,317.72 and 8,446.50

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Solution

The fourth proportional to 11,104.92, 15,317.72 and 8,446.50 is: 11,650.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,104.92 : 15,317.72 = 8,446.50 : x
  2. Step 2: Convert to fraction form
    11,104.92/15,317.72 = 8,446.50/x
  3. Step 3: Cross multiply
    11,104.92x = 15,317.72 × 8,446.50
  4. Step 4: Simplify right side
    11,104.92x = 129,381,121.98
  5. Step 5: Solve for x
    x = 129,381,121.98/11,104.92
  6. Step 6: Final answer
    x = 11,650.79

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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.