Home / 12,619.38-17,414.49-7,314.06

Finding the Fourth Proportional to 12,619.38, 17,414.49 and 7,314.06

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Solution

The fourth proportional to 12,619.38, 17,414.49 and 7,314.06 is: 10,093.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619.38 : 17,414.49 = 7,314.06 : x
  2. Step 2: Convert to fraction form
    12,619.38/17,414.49 = 7,314.06/x
  3. Step 3: Cross multiply
    12,619.38x = 17,414.49 × 7,314.06
  4. Step 4: Simplify right side
    12,619.38x = 127,370,624.73
  5. Step 5: Solve for x
    x = 127,370,624.73/12,619.38
  6. Step 6: Final answer
    x = 10,093.26

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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.