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Finding the Fourth Proportional to 11,265.43, 16,883.36 and 8,289.95

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Solution

The fourth proportional to 11,265.43, 16,883.36 and 8,289.95 is: 12,424.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,265.43 : 16,883.36 = 8,289.95 : x
  2. Step 2: Convert to fraction form
    11,265.43/16,883.36 = 8,289.95/x
  3. Step 3: Cross multiply
    11,265.43x = 16,883.36 × 8,289.95
  4. Step 4: Simplify right side
    11,265.43x = 139,962,138.77
  5. Step 5: Solve for x
    x = 139,962,138.77/11,265.43
  6. Step 6: Final answer
    x = 12,424.04

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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.