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Finding the Fourth Proportional to 12,488.62, 17,235.07 and 7,183.33

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Solution

The fourth proportional to 12,488.62, 17,235.07 and 7,183.33 is: 9,913.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,488.62 : 17,235.07 = 7,183.33 : x
  2. Step 2: Convert to fraction form
    12,488.62/17,235.07 = 7,183.33/x
  3. Step 3: Cross multiply
    12,488.62x = 17,235.07 × 7,183.33
  4. Step 4: Simplify right side
    12,488.62x = 123,805,091.25
  5. Step 5: Solve for x
    x = 123,805,091.25/12,488.62
  6. Step 6: Final answer
    x = 9,913.43

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.