Home / 10,789.94-16,179.45-4,941.54

Finding the Fourth Proportional to 10,789.94, 16,179.45 and 4,941.54

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Solution

The fourth proportional to 10,789.94, 16,179.45 and 4,941.54 is: 7,409.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,789.94 : 16,179.45 = 4,941.54 : x
  2. Step 2: Convert to fraction form
    10,789.94/16,179.45 = 4,941.54/x
  3. Step 3: Cross multiply
    10,789.94x = 16,179.45 × 4,941.54
  4. Step 4: Simplify right side
    10,789.94x = 79,951,380.82
  5. Step 5: Solve for x
    x = 79,951,380.82/10,789.94
  6. Step 6: Final answer
    x = 7,409.81

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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.