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Finding the Fourth Proportional to 11,199.84, 16,800.42 and 2,879.94

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Solution

The fourth proportional to 11,199.84, 16,800.42 and 2,879.94 is: 4,320.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,199.84 : 16,800.42 = 2,879.94 : x
  2. Step 2: Convert to fraction form
    11,199.84/16,800.42 = 2,879.94/x
  3. Step 3: Cross multiply
    11,199.84x = 16,800.42 × 2,879.94
  4. Step 4: Simplify right side
    11,199.84x = 48,384,201.57
  5. Step 5: Solve for x
    x = 48,384,201.57/11,199.84
  6. Step 6: Final answer
    x = 4,320.08

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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.