Home / 12,214.24-18,300.94-11,759.20

Finding the Fourth Proportional to 12,214.24, 18,300.94 and 11,759.20

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Solution

The fourth proportional to 12,214.24, 18,300.94 and 11,759.20 is: 17,619.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,214.24 : 18,300.94 = 11,759.20 : x
  2. Step 2: Convert to fraction form
    12,214.24/18,300.94 = 11,759.20/x
  3. Step 3: Cross multiply
    12,214.24x = 18,300.94 × 11,759.20
  4. Step 4: Simplify right side
    12,214.24x = 215,204,413.65
  5. Step 5: Solve for x
    x = 215,204,413.65/12,214.24
  6. Step 6: Final answer
    x = 17,619.14

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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.