Home / 18,976.82-28,466.60-7,290.04

Finding the Fourth Proportional to 18,976.82, 28,466.60 and 7,290.04

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Solution

The fourth proportional to 18,976.82, 28,466.60 and 7,290.04 is: 10,935.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,976.82 : 28,466.60 = 7,290.04 : x
  2. Step 2: Convert to fraction form
    18,976.82/28,466.60 = 7,290.04/x
  3. Step 3: Cross multiply
    18,976.82x = 28,466.60 × 7,290.04
  4. Step 4: Simplify right side
    18,976.82x = 207,522,652.66
  5. Step 5: Solve for x
    x = 207,522,652.66/18,976.82
  6. Step 6: Final answer
    x = 10,935.59

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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.