Home / 14,104.73-21,157.20-4,243.79

Finding the Fourth Proportional to 14,104.73, 21,157.20 and 4,243.79

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Solution

The fourth proportional to 14,104.73, 21,157.20 and 4,243.79 is: 6,365.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,104.73 : 21,157.20 = 4,243.79 : x
  2. Step 2: Convert to fraction form
    14,104.73/21,157.20 = 4,243.79/x
  3. Step 3: Cross multiply
    14,104.73x = 21,157.20 × 4,243.79
  4. Step 4: Simplify right side
    14,104.73x = 89,786,766.68
  5. Step 5: Solve for x
    x = 89,786,766.68/14,104.73
  6. Step 6: Final answer
    x = 6,365.72

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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.