Home / 17,709.45-26,552.62-8,217.87

Finding the Fourth Proportional to 17,709.45, 26,552.62 and 8,217.87

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Solution

The fourth proportional to 17,709.45, 26,552.62 and 8,217.87 is: 12,321.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,709.45 : 26,552.62 = 8,217.87 : x
  2. Step 2: Convert to fraction form
    17,709.45/26,552.62 = 8,217.87/x
  3. Step 3: Cross multiply
    17,709.45x = 26,552.62 × 8,217.87
  4. Step 4: Simplify right side
    17,709.45x = 218,205,890.02
  5. Step 5: Solve for x
    x = 218,205,890.02/17,709.45
  6. Step 6: Final answer
    x = 12,321.44

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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.