Home / 11,163.72-16,749.39-6,998.70

Finding the Fourth Proportional to 11,163.72, 16,749.39 and 6,998.70

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Solution

The fourth proportional to 11,163.72, 16,749.39 and 6,998.70 is: 10,500.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,163.72 : 16,749.39 = 6,998.70 : x
  2. Step 2: Convert to fraction form
    11,163.72/16,749.39 = 6,998.70/x
  3. Step 3: Cross multiply
    11,163.72x = 16,749.39 × 6,998.70
  4. Step 4: Simplify right side
    11,163.72x = 117,223,913.92
  5. Step 5: Solve for x
    x = 117,223,913.92/11,163.72
  6. Step 6: Final answer
    x = 10,500.44

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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.