Home / 12,964.88-19,448.76-4,198.16

Finding the Fourth Proportional to 12,964.88, 19,448.76 and 4,198.16

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Solution

The fourth proportional to 12,964.88, 19,448.76 and 4,198.16 is: 6,297.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,964.88 : 19,448.76 = 4,198.16 : x
  2. Step 2: Convert to fraction form
    12,964.88/19,448.76 = 4,198.16/x
  3. Step 3: Cross multiply
    12,964.88x = 19,448.76 × 4,198.16
  4. Step 4: Simplify right side
    12,964.88x = 81,649,006.28
  5. Step 5: Solve for x
    x = 81,649,006.28/12,964.88
  6. Step 6: Final answer
    x = 6,297.71

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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.