Home / 9,963.93-14,944.68-4,119.78

Finding the Fourth Proportional to 9,963.93, 14,944.68 and 4,119.78

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Solution

The fourth proportional to 9,963.93, 14,944.68 and 4,119.78 is: 6,179.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,963.93 : 14,944.68 = 4,119.78 : x
  2. Step 2: Convert to fraction form
    9,963.93/14,944.68 = 4,119.78/x
  3. Step 3: Cross multiply
    9,963.93x = 14,944.68 × 4,119.78
  4. Step 4: Simplify right side
    9,963.93x = 61,568,793.77
  5. Step 5: Solve for x
    x = 61,568,793.77/9,963.93
  6. Step 6: Final answer
    x = 6,179.17

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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.