Home / 18,755.42-28,114.70-6,906.33

Finding the Fourth Proportional to 18,755.42, 28,114.70 and 6,906.33

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Solution

The fourth proportional to 18,755.42, 28,114.70 and 6,906.33 is: 10,352.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,755.42 : 28,114.70 = 6,906.33 : x
  2. Step 2: Convert to fraction form
    18,755.42/28,114.70 = 6,906.33/x
  3. Step 3: Cross multiply
    18,755.42x = 28,114.70 × 6,906.33
  4. Step 4: Simplify right side
    18,755.42x = 194,169,361.52
  5. Step 5: Solve for x
    x = 194,169,361.52/18,755.42
  6. Step 6: Final answer
    x = 10,352.71

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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.