Home / 16,919.98-25,379.38-4,439.91

Finding the Fourth Proportional to 16,919.98, 25,379.38 and 4,439.91

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Solution

The fourth proportional to 16,919.98, 25,379.38 and 4,439.91 is: 6,659.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,919.98 : 25,379.38 = 4,439.91 : x
  2. Step 2: Convert to fraction form
    16,919.98/25,379.38 = 4,439.91/x
  3. Step 3: Cross multiply
    16,919.98x = 25,379.38 × 4,439.91
  4. Step 4: Simplify right side
    16,919.98x = 112,682,163.06
  5. Step 5: Solve for x
    x = 112,682,163.06/16,919.98
  6. Step 6: Final answer
    x = 6,659.71

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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.