Home / 21,844.80-30,147.93-12,413.43

Finding the Fourth Proportional to 21,844.80, 30,147.93 and 12,413.43

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Solution

The fourth proportional to 21,844.80, 30,147.93 and 12,413.43 is: 17,131.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,844.80 : 30,147.93 = 12,413.43 : x
  2. Step 2: Convert to fraction form
    21,844.80/30,147.93 = 12,413.43/x
  3. Step 3: Cross multiply
    21,844.80x = 30,147.93 × 12,413.43
  4. Step 4: Simplify right side
    21,844.80x = 374,239,218.70
  5. Step 5: Solve for x
    x = 374,239,218.70/21,844.80
  6. Step 6: Final answer
    x = 17,131.73

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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.