Home / 11,318.44-16,987.04-5,775.88

Finding the Fourth Proportional to 11,318.44, 16,987.04 and 5,775.88

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Solution

The fourth proportional to 11,318.44, 16,987.04 and 5,775.88 is: 8,668.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,318.44 : 16,987.04 = 5,775.88 : x
  2. Step 2: Convert to fraction form
    11,318.44/16,987.04 = 5,775.88/x
  3. Step 3: Cross multiply
    11,318.44x = 16,987.04 × 5,775.88
  4. Step 4: Simplify right side
    11,318.44x = 98,115,104.60
  5. Step 5: Solve for x
    x = 98,115,104.60/11,318.44
  6. Step 6: Final answer
    x = 8,668.61

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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.