Home / 13,770.33-20,650.22-4,408.35

Finding the Fourth Proportional to 13,770.33, 20,650.22 and 4,408.35

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Solution

The fourth proportional to 13,770.33, 20,650.22 and 4,408.35 is: 6,610.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,770.33 : 20,650.22 = 4,408.35 : x
  2. Step 2: Convert to fraction form
    13,770.33/20,650.22 = 4,408.35/x
  3. Step 3: Cross multiply
    13,770.33x = 20,650.22 × 4,408.35
  4. Step 4: Simplify right side
    13,770.33x = 91,033,397.34
  5. Step 5: Solve for x
    x = 91,033,397.34/13,770.33
  6. Step 6: Final answer
    x = 6,610.84

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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.