Home / 13,213.26-19,822.94-4,447.96

Finding the Fourth Proportional to 13,213.26, 19,822.94 and 4,447.96

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Solution

The fourth proportional to 13,213.26, 19,822.94 and 4,447.96 is: 6,672.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,213.26 : 19,822.94 = 4,447.96 : x
  2. Step 2: Convert to fraction form
    13,213.26/19,822.94 = 4,447.96/x
  3. Step 3: Cross multiply
    13,213.26x = 19,822.94 × 4,447.96
  4. Step 4: Simplify right side
    13,213.26x = 88,171,644.20
  5. Step 5: Solve for x
    x = 88,171,644.20/13,213.26
  6. Step 6: Final answer
    x = 6,672.97

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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.