Home / 11,976.34-17,942.61-8,681.26

Finding the Fourth Proportional to 11,976.34, 17,942.61 and 8,681.26

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Solution

The fourth proportional to 11,976.34, 17,942.61 and 8,681.26 is: 13,006.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,976.34 : 17,942.61 = 8,681.26 : x
  2. Step 2: Convert to fraction form
    11,976.34/17,942.61 = 8,681.26/x
  3. Step 3: Cross multiply
    11,976.34x = 17,942.61 × 8,681.26
  4. Step 4: Simplify right side
    11,976.34x = 155,764,450.19
  5. Step 5: Solve for x
    x = 155,764,450.19/11,976.34
  6. Step 6: Final answer
    x = 13,006.02

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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.