Home / 12,863.48-17,751.96-7,198.44

Finding the Fourth Proportional to 12,863.48, 17,751.96 and 7,198.44

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Solution

The fourth proportional to 12,863.48, 17,751.96 and 7,198.44 is: 9,934.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,863.48 : 17,751.96 = 7,198.44 : x
  2. Step 2: Convert to fraction form
    12,863.48/17,751.96 = 7,198.44/x
  3. Step 3: Cross multiply
    12,863.48x = 17,751.96 × 7,198.44
  4. Step 4: Simplify right side
    12,863.48x = 127,786,352.37
  5. Step 5: Solve for x
    x = 127,786,352.37/12,863.48
  6. Step 6: Final answer
    x = 9,934.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.