Home / 14,176.49-21,257.60-8,255.29

Finding the Fourth Proportional to 14,176.49, 21,257.60 and 8,255.29

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Solution

The fourth proportional to 14,176.49, 21,257.60 and 8,255.29 is: 12,378.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,176.49 : 21,257.60 = 8,255.29 : x
  2. Step 2: Convert to fraction form
    14,176.49/21,257.60 = 8,255.29/x
  3. Step 3: Cross multiply
    14,176.49x = 21,257.60 × 8,255.29
  4. Step 4: Simplify right side
    14,176.49x = 175,487,652.70
  5. Step 5: Solve for x
    x = 175,487,652.70/14,176.49
  6. Step 6: Final answer
    x = 12,378.78

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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.