Home / 14,650.91-21,979.44-4,789.41

Finding the Fourth Proportional to 14,650.91, 21,979.44 and 4,789.41

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Solution

The fourth proportional to 14,650.91, 21,979.44 and 4,789.41 is: 7,185.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,650.91 : 21,979.44 = 4,789.41 : x
  2. Step 2: Convert to fraction form
    14,650.91/21,979.44 = 4,789.41/x
  3. Step 3: Cross multiply
    14,650.91x = 21,979.44 × 4,789.41
  4. Step 4: Simplify right side
    14,650.91x = 105,268,604.41
  5. Step 5: Solve for x
    x = 105,268,604.41/14,650.91
  6. Step 6: Final answer
    x = 7,185.12

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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.