Home / 18,982.23-28,466.32-11,087.43

Finding the Fourth Proportional to 18,982.23, 28,466.32 and 11,087.43

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Solution

The fourth proportional to 18,982.23, 28,466.32 and 11,087.43 is: 16,627.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,982.23 : 28,466.32 = 11,087.43 : x
  2. Step 2: Convert to fraction form
    18,982.23/28,466.32 = 11,087.43/x
  3. Step 3: Cross multiply
    18,982.23x = 28,466.32 × 11,087.43
  4. Step 4: Simplify right side
    18,982.23x = 315,618,330.36
  5. Step 5: Solve for x
    x = 315,618,330.36/18,982.23
  6. Step 6: Final answer
    x = 16,627.04

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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.