Home / 11,214.20-16,821.43-4,801.92

Finding the Fourth Proportional to 11,214.20, 16,821.43 and 4,801.92

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Solution

The fourth proportional to 11,214.20, 16,821.43 and 4,801.92 is: 7,202.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.20 : 16,821.43 = 4,801.92 : x
  2. Step 2: Convert to fraction form
    11,214.20/16,821.43 = 4,801.92/x
  3. Step 3: Cross multiply
    11,214.20x = 16,821.43 × 4,801.92
  4. Step 4: Simplify right side
    11,214.20x = 80,775,161.15
  5. Step 5: Solve for x
    x = 80,775,161.15/11,214.20
  6. Step 6: Final answer
    x = 7,202.94

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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.