Home / 12,896.91-19,338.08-6,326.19

Finding the Fourth Proportional to 12,896.91, 19,338.08 and 6,326.19

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Solution

The fourth proportional to 12,896.91, 19,338.08 and 6,326.19 is: 9,485.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896.91 : 19,338.08 = 6,326.19 : x
  2. Step 2: Convert to fraction form
    12,896.91/19,338.08 = 6,326.19/x
  3. Step 3: Cross multiply
    12,896.91x = 19,338.08 × 6,326.19
  4. Step 4: Simplify right side
    12,896.91x = 122,336,336.68
  5. Step 5: Solve for x
    x = 122,336,336.68/12,896.91
  6. Step 6: Final answer
    x = 9,485.71

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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.