Home / 21,729.82-32,601.96-6,940.84

Finding the Fourth Proportional to 21,729.82, 32,601.96 and 6,940.84

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Solution

The fourth proportional to 21,729.82, 32,601.96 and 6,940.84 is: 10,413.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,729.82 : 32,601.96 = 6,940.84 : x
  2. Step 2: Convert to fraction form
    21,729.82/32,601.96 = 6,940.84/x
  3. Step 3: Cross multiply
    21,729.82x = 32,601.96 × 6,940.84
  4. Step 4: Simplify right side
    21,729.82x = 226,284,988.05
  5. Step 5: Solve for x
    x = 226,284,988.05/21,729.82
  6. Step 6: Final answer
    x = 10,413.57

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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.