Home / 14,367.89-21,552.19-3,979.73

Finding the Fourth Proportional to 14,367.89, 21,552.19 and 3,979.73

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Solution

The fourth proportional to 14,367.89, 21,552.19 and 3,979.73 is: 5,969.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,367.89 : 21,552.19 = 3,979.73 : x
  2. Step 2: Convert to fraction form
    14,367.89/21,552.19 = 3,979.73/x
  3. Step 3: Cross multiply
    14,367.89x = 21,552.19 × 3,979.73
  4. Step 4: Simplify right side
    14,367.89x = 85,771,789.35
  5. Step 5: Solve for x
    x = 85,771,789.35/14,367.89
  6. Step 6: Final answer
    x = 5,969.69

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1.5x scale

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.