Home / 12,711.93-19,067.69-3,946.85

Finding the Fourth Proportional to 12,711.93, 19,067.69 and 3,946.85

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Solution

The fourth proportional to 12,711.93, 19,067.69 and 3,946.85 is: 5,920.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,711.93 : 19,067.69 = 3,946.85 : x
  2. Step 2: Convert to fraction form
    12,711.93/19,067.69 = 3,946.85/x
  3. Step 3: Cross multiply
    12,711.93x = 19,067.69 × 3,946.85
  4. Step 4: Simplify right side
    12,711.93x = 75,257,393.65
  5. Step 5: Solve for x
    x = 75,257,393.65/12,711.93
  6. Step 6: Final answer
    x = 5,920.22

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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.