Home / 11,195.82-16,800.21-8,977.23

Finding the Fourth Proportional to 11,195.82, 16,800.21 and 8,977.23

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Solution

The fourth proportional to 11,195.82, 16,800.21 and 8,977.23 is: 13,471.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,195.82 : 16,800.21 = 8,977.23 : x
  2. Step 2: Convert to fraction form
    11,195.82/16,800.21 = 8,977.23/x
  3. Step 3: Cross multiply
    11,195.82x = 16,800.21 × 8,977.23
  4. Step 4: Simplify right side
    11,195.82x = 150,819,349.22
  5. Step 5: Solve for x
    x = 150,819,349.22/11,195.82
  6. Step 6: Final answer
    x = 13,471.04

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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.