Home / 14,408.37-21,609.19-5,520.56

Finding the Fourth Proportional to 14,408.37, 21,609.19 and 5,520.56

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Solution

The fourth proportional to 14,408.37, 21,609.19 and 5,520.56 is: 8,279.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,408.37 : 21,609.19 = 5,520.56 : x
  2. Step 2: Convert to fraction form
    14,408.37/21,609.19 = 5,520.56/x
  3. Step 3: Cross multiply
    14,408.37x = 21,609.19 × 5,520.56
  4. Step 4: Simplify right side
    14,408.37x = 119,294,829.95
  5. Step 5: Solve for x
    x = 119,294,829.95/14,408.37
  6. Step 6: Final answer
    x = 8,279.55

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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.