Home / 14,413.94-21,620.13-4,418.68

Finding the Fourth Proportional to 14,413.94, 21,620.13 and 4,418.68

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Solution

The fourth proportional to 14,413.94, 21,620.13 and 4,418.68 is: 6,627.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,413.94 : 21,620.13 = 4,418.68 : x
  2. Step 2: Convert to fraction form
    14,413.94/21,620.13 = 4,418.68/x
  3. Step 3: Cross multiply
    14,413.94x = 21,620.13 × 4,418.68
  4. Step 4: Simplify right side
    14,413.94x = 95,532,436.03
  5. Step 5: Solve for x
    x = 95,532,436.03/14,413.94
  6. Step 6: Final answer
    x = 6,627.78

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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.