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Finding the Fourth Proportional to 10,772.79, 16,163.23 and 3,753.33

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Solution

The fourth proportional to 10,772.79, 16,163.23 and 3,753.33 is: 5,631.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,772.79 : 16,163.23 = 3,753.33 : x
  2. Step 2: Convert to fraction form
    10,772.79/16,163.23 = 3,753.33/x
  3. Step 3: Cross multiply
    10,772.79x = 16,163.23 × 3,753.33
  4. Step 4: Simplify right side
    10,772.79x = 60,665,936.06
  5. Step 5: Solve for x
    x = 60,665,936.06/10,772.79
  6. Step 6: Final answer
    x = 5,631.40

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1.5x scale

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.