Home / 18,121.46-27,181.94-6,283.85

Finding the Fourth Proportional to 18,121.46, 27,181.94 and 6,283.85

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Solution

The fourth proportional to 18,121.46, 27,181.94 and 6,283.85 is: 9,425.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,121.46 : 27,181.94 = 6,283.85 : x
  2. Step 2: Convert to fraction form
    18,121.46/27,181.94 = 6,283.85/x
  3. Step 3: Cross multiply
    18,121.46x = 27,181.94 × 6,283.85
  4. Step 4: Simplify right side
    18,121.46x = 170,807,066.34
  5. Step 5: Solve for x
    x = 170,807,066.34/18,121.46
  6. Step 6: Final answer
    x = 9,425.68

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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.