Home / 14,481.61-19,979.97-8,107.26

Finding the Fourth Proportional to 14,481.61, 19,979.97 and 8,107.26

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Solution

The fourth proportional to 14,481.61, 19,979.97 and 8,107.26 is: 11,185.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,481.61 : 19,979.97 = 8,107.26 : x
  2. Step 2: Convert to fraction form
    14,481.61/19,979.97 = 8,107.26/x
  3. Step 3: Cross multiply
    14,481.61x = 19,979.97 × 8,107.26
  4. Step 4: Simplify right side
    14,481.61x = 161,982,706.26
  5. Step 5: Solve for x
    x = 161,982,706.26/14,481.61
  6. Step 6: Final answer
    x = 11,185.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.