Home / 18,941.33-28,405.84-8,944.53

Finding the Fourth Proportional to 18,941.33, 28,405.84 and 8,944.53

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Solution

The fourth proportional to 18,941.33, 28,405.84 and 8,944.53 is: 13,413.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,941.33 : 28,405.84 = 8,944.53 : x
  2. Step 2: Convert to fraction form
    18,941.33/28,405.84 = 8,944.53/x
  3. Step 3: Cross multiply
    18,941.33x = 28,405.84 × 8,944.53
  4. Step 4: Simplify right side
    18,941.33x = 254,076,775.94
  5. Step 5: Solve for x
    x = 254,076,775.94/18,941.33
  6. Step 6: Final answer
    x = 13,413.88

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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.