Home / 12,619.26-17,414.73-7,315.65

Finding the Fourth Proportional to 12,619.26, 17,414.73 and 7,315.65

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Solution

The fourth proportional to 12,619.26, 17,414.73 and 7,315.65 is: 10,095.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619.26 : 17,414.73 = 7,315.65 : x
  2. Step 2: Convert to fraction form
    12,619.26/17,414.73 = 7,315.65/x
  3. Step 3: Cross multiply
    12,619.26x = 17,414.73 × 7,315.65
  4. Step 4: Simplify right side
    12,619.26x = 127,400,069.52
  5. Step 5: Solve for x
    x = 127,400,069.52/12,619.26
  6. Step 6: Final answer
    x = 10,095.68

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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.