Home / 14,350.20-21,512.34-12,795

Finding the Fourth Proportional to 14,350.20, 21,512.34 and 12,795

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Solution

The fourth proportional to 14,350.20, 21,512.34 and 12,795 is: 19,180.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,350.20 : 21,512.34 = 12,795 : x
  2. Step 2: Convert to fraction form
    14,350.20/21,512.34 = 12,795/x
  3. Step 3: Cross multiply
    14,350.20x = 21,512.34 × 12,795
  4. Step 4: Simplify right side
    14,350.20x = 275,250,390.30
  5. Step 5: Solve for x
    x = 275,250,390.30/14,350.20
  6. Step 6: Final answer
    x = 19,180.94

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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.