Home / 14,321.11-19,755.49-8,350.60

Finding the Fourth Proportional to 14,321.11, 19,755.49 and 8,350.60

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Solution

The fourth proportional to 14,321.11, 19,755.49 and 8,350.60 is: 11,519.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,321.11 : 19,755.49 = 8,350.60 : x
  2. Step 2: Convert to fraction form
    14,321.11/19,755.49 = 8,350.60/x
  3. Step 3: Cross multiply
    14,321.11x = 19,755.49 × 8,350.60
  4. Step 4: Simplify right side
    14,321.11x = 164,970,194.79
  5. Step 5: Solve for x
    x = 164,970,194.79/14,321.11
  6. Step 6: Final answer
    x = 11,519.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.