Home / 13,982.25-20,960.61-12,764.82

Finding the Fourth Proportional to 13,982.25, 20,960.61 and 12,764.82

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Solution

The fourth proportional to 13,982.25, 20,960.61 and 12,764.82 is: 19,135.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,982.25 : 20,960.61 = 12,764.82 : x
  2. Step 2: Convert to fraction form
    13,982.25/20,960.61 = 12,764.82/x
  3. Step 3: Cross multiply
    13,982.25x = 20,960.61 × 12,764.82
  4. Step 4: Simplify right side
    13,982.25x = 267,558,413.74
  5. Step 5: Solve for x
    x = 267,558,413.74/13,982.25
  6. Step 6: Final answer
    x = 19,135.58

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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.