Home / 14,532.88-21,778.48-8,279.96

Finding the Fourth Proportional to 14,532.88, 21,778.48 and 8,279.96

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Solution

The fourth proportional to 14,532.88, 21,778.48 and 8,279.96 is: 12,408.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,532.88 : 21,778.48 = 8,279.96 : x
  2. Step 2: Convert to fraction form
    14,532.88/21,778.48 = 8,279.96/x
  3. Step 3: Cross multiply
    14,532.88x = 21,778.48 × 8,279.96
  4. Step 4: Simplify right side
    14,532.88x = 180,324,943.26
  5. Step 5: Solve for x
    x = 180,324,943.26/14,532.88
  6. Step 6: Final answer
    x = 12,408.07

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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.