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Finding the Fourth Proportional to 8,812.86, 13,227.93 and 8,771.82

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Solution

The fourth proportional to 8,812.86, 13,227.93 and 8,771.82 is: 13,166.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.86 : 13,227.93 = 8,771.82 : x
  2. Step 2: Convert to fraction form
    8,812.86/13,227.93 = 8,771.82/x
  3. Step 3: Cross multiply
    8,812.86x = 13,227.93 × 8,771.82
  4. Step 4: Simplify right side
    8,812.86x = 116,033,020.93
  5. Step 5: Solve for x
    x = 116,033,020.93/8,812.86
  6. Step 6: Final answer
    x = 13,166.33

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.