Home / 13,731.21-20,596.82-3,342.96

Finding the Fourth Proportional to 13,731.21, 20,596.82 and 3,342.96

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Solution

The fourth proportional to 13,731.21, 20,596.82 and 3,342.96 is: 5,014.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,731.21 : 20,596.82 = 3,342.96 : x
  2. Step 2: Convert to fraction form
    13,731.21/20,596.82 = 3,342.96/x
  3. Step 3: Cross multiply
    13,731.21x = 20,596.82 × 3,342.96
  4. Step 4: Simplify right side
    13,731.21x = 68,854,328.67
  5. Step 5: Solve for x
    x = 68,854,328.67/13,731.21
  6. Step 6: Final answer
    x = 5,014.44

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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.