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Finding the Fourth Proportional to 10,768.67, 16,163.90 and 7,652.20

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Solution

The fourth proportional to 10,768.67, 16,163.90 and 7,652.20 is: 11,486.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,768.67 : 16,163.90 = 7,652.20 : x
  2. Step 2: Convert to fraction form
    10,768.67/16,163.90 = 7,652.20/x
  3. Step 3: Cross multiply
    10,768.67x = 16,163.90 × 7,652.20
  4. Step 4: Simplify right side
    10,768.67x = 123,689,395.58
  5. Step 5: Solve for x
    x = 123,689,395.58/10,768.67
  6. Step 6: Final answer
    x = 11,486.04

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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.