Home / 11,889.68-17,817.24-6,668.96

Finding the Fourth Proportional to 11,889.68, 17,817.24 and 6,668.96

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Solution

The fourth proportional to 11,889.68, 17,817.24 and 6,668.96 is: 9,993.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,889.68 : 17,817.24 = 6,668.96 : x
  2. Step 2: Convert to fraction form
    11,889.68/17,817.24 = 6,668.96/x
  3. Step 3: Cross multiply
    11,889.68x = 17,817.24 × 6,668.96
  4. Step 4: Simplify right side
    11,889.68x = 118,822,460.87
  5. Step 5: Solve for x
    x = 118,822,460.87/11,889.68
  6. Step 6: Final answer
    x = 9,993.75

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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.