Home / 11,982.18-17,975.90-3,662.84

Finding the Fourth Proportional to 11,982.18, 17,975.90 and 3,662.84

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Solution

The fourth proportional to 11,982.18, 17,975.90 and 3,662.84 is: 5,495.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.18 : 17,975.90 = 3,662.84 : x
  2. Step 2: Convert to fraction form
    11,982.18/17,975.90 = 3,662.84/x
  3. Step 3: Cross multiply
    11,982.18x = 17,975.90 × 3,662.84
  4. Step 4: Simplify right side
    11,982.18x = 65,842,899.65
  5. Step 5: Solve for x
    x = 65,842,899.65/11,982.18
  6. Step 6: Final answer
    x = 5,495.07

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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.