Home / 10,979.26-16,466.70-3,959.08

Finding the Fourth Proportional to 10,979.26, 16,466.70 and 3,959.08

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Solution

The fourth proportional to 10,979.26, 16,466.70 and 3,959.08 is: 5,937.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,979.26 : 16,466.70 = 3,959.08 : x
  2. Step 2: Convert to fraction form
    10,979.26/16,466.70 = 3,959.08/x
  3. Step 3: Cross multiply
    10,979.26x = 16,466.70 × 3,959.08
  4. Step 4: Simplify right side
    10,979.26x = 65,192,982.64
  5. Step 5: Solve for x
    x = 65,192,982.64/10,979.26
  6. Step 6: Final answer
    x = 5,937.83

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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.