Home / 13,211.26-19,819.94-4,445.96

Finding the Fourth Proportional to 13,211.26, 19,819.94 and 4,445.96

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Solution

The fourth proportional to 13,211.26, 19,819.94 and 4,445.96 is: 6,669.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,211.26 : 19,819.94 = 4,445.96 : x
  2. Step 2: Convert to fraction form
    13,211.26/19,819.94 = 4,445.96/x
  3. Step 3: Cross multiply
    13,211.26x = 19,819.94 × 4,445.96
  4. Step 4: Simplify right side
    13,211.26x = 88,118,660.44
  5. Step 5: Solve for x
    x = 88,118,660.44/13,211.26
  6. Step 6: Final answer
    x = 6,669.97

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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.