Home / 12,178.52-18,267.78-2,944.52

Finding the Fourth Proportional to 12,178.52, 18,267.78 and 2,944.52

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Solution

The fourth proportional to 12,178.52, 18,267.78 and 2,944.52 is: 4,416.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,178.52 : 18,267.78 = 2,944.52 : x
  2. Step 2: Convert to fraction form
    12,178.52/18,267.78 = 2,944.52/x
  3. Step 3: Cross multiply
    12,178.52x = 18,267.78 × 2,944.52
  4. Step 4: Simplify right side
    12,178.52x = 53,789,843.57
  5. Step 5: Solve for x
    x = 53,789,843.57/12,178.52
  6. Step 6: Final answer
    x = 4,416.78

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1.5x scale

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.