Home / 11,079.43-16,619.91-3,181.34

Finding the Fourth Proportional to 11,079.43, 16,619.91 and 3,181.34

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Solution

The fourth proportional to 11,079.43, 16,619.91 and 3,181.34 is: 4,772.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,079.43 : 16,619.91 = 3,181.34 : x
  2. Step 2: Convert to fraction form
    11,079.43/16,619.91 = 3,181.34/x
  3. Step 3: Cross multiply
    11,079.43x = 16,619.91 × 3,181.34
  4. Step 4: Simplify right side
    11,079.43x = 52,873,584.48
  5. Step 5: Solve for x
    x = 52,873,584.48/11,079.43
  6. Step 6: Final answer
    x = 4,772.23

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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.