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Finding the Fourth Proportional to 10,851.08, 16,254.78 and 8,223.08

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Solution

The fourth proportional to 10,851.08, 16,254.78 and 8,223.08 is: 12,318.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.08 : 16,254.78 = 8,223.08 : x
  2. Step 2: Convert to fraction form
    10,851.08/16,254.78 = 8,223.08/x
  3. Step 3: Cross multiply
    10,851.08x = 16,254.78 × 8,223.08
  4. Step 4: Simplify right side
    10,851.08x = 133,664,356.32
  5. Step 5: Solve for x
    x = 133,664,356.32/10,851.08
  6. Step 6: Final answer
    x = 12,318.07

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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.