Home / 14,092.28-21,141.66-4,231.75

Finding the Fourth Proportional to 14,092.28, 21,141.66 and 4,231.75

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Solution

The fourth proportional to 14,092.28, 21,141.66 and 4,231.75 is: 6,348.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,092.28 : 21,141.66 = 4,231.75 : x
  2. Step 2: Convert to fraction form
    14,092.28/21,141.66 = 4,231.75/x
  3. Step 3: Cross multiply
    14,092.28x = 21,141.66 × 4,231.75
  4. Step 4: Simplify right side
    14,092.28x = 89,466,182.72
  5. Step 5: Solve for x
    x = 89,466,182.72/14,092.28
  6. Step 6: Final answer
    x = 6,348.59

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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.