Home / 14,149.73-21,229.17-4,290.02

Finding the Fourth Proportional to 14,149.73, 21,229.17 and 4,290.02

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Solution

The fourth proportional to 14,149.73, 21,229.17 and 4,290.02 is: 6,436.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.73 : 21,229.17 = 4,290.02 : x
  2. Step 2: Convert to fraction form
    14,149.73/21,229.17 = 4,290.02/x
  3. Step 3: Cross multiply
    14,149.73x = 21,229.17 × 4,290.02
  4. Step 4: Simplify right side
    14,149.73x = 91,073,563.88
  5. Step 5: Solve for x
    x = 91,073,563.88/14,149.73
  6. Step 6: Final answer
    x = 6,436.42

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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.