Home / 18,770.84-28,161.57-9,399.54

Finding the Fourth Proportional to 18,770.84, 28,161.57 and 9,399.54

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Solution

The fourth proportional to 18,770.84, 28,161.57 and 9,399.54 is: 14,101.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,770.84 : 28,161.57 = 9,399.54 : x
  2. Step 2: Convert to fraction form
    18,770.84/28,161.57 = 9,399.54/x
  3. Step 3: Cross multiply
    18,770.84x = 28,161.57 × 9,399.54
  4. Step 4: Simplify right side
    18,770.84x = 264,705,944.53
  5. Step 5: Solve for x
    x = 264,705,944.53/18,770.84
  6. Step 6: Final answer
    x = 14,101.98

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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.