Home / 11,776.60-17,653.92-3,979.96

Finding the Fourth Proportional to 11,776.60, 17,653.92 and 3,979.96

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Solution

The fourth proportional to 11,776.60, 17,653.92 and 3,979.96 is: 5,966.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,776.60 : 17,653.92 = 3,979.96 : x
  2. Step 2: Convert to fraction form
    11,776.60/17,653.92 = 3,979.96/x
  3. Step 3: Cross multiply
    11,776.60x = 17,653.92 × 3,979.96
  4. Step 4: Simplify right side
    11,776.60x = 70,261,895.44
  5. Step 5: Solve for x
    x = 70,261,895.44/11,776.60
  6. Step 6: Final answer
    x = 5,966.23

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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.