Home / 11,579.44-15,979.62-6,274.36

Finding the Fourth Proportional to 11,579.44, 15,979.62 and 6,274.36

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Solution

The fourth proportional to 11,579.44, 15,979.62 and 6,274.36 is: 8,658.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,579.44 : 15,979.62 = 6,274.36 : x
  2. Step 2: Convert to fraction form
    11,579.44/15,979.62 = 6,274.36/x
  3. Step 3: Cross multiply
    11,579.44x = 15,979.62 × 6,274.36
  4. Step 4: Simplify right side
    11,579.44x = 100,261,888.54
  5. Step 5: Solve for x
    x = 100,261,888.54/11,579.44
  6. Step 6: Final answer
    x = 8,658.61

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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.