Home / 14,648.78-21,976.92-4,260.53

Finding the Fourth Proportional to 14,648.78, 21,976.92 and 4,260.53

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Solution

The fourth proportional to 14,648.78, 21,976.92 and 4,260.53 is: 6,391.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,648.78 : 21,976.92 = 4,260.53 : x
  2. Step 2: Convert to fraction form
    14,648.78/21,976.92 = 4,260.53/x
  3. Step 3: Cross multiply
    14,648.78x = 21,976.92 × 4,260.53
  4. Step 4: Simplify right side
    14,648.78x = 93,633,326.97
  5. Step 5: Solve for x
    x = 93,633,326.97/14,648.78
  6. Step 6: Final answer
    x = 6,391.89

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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.