Home / 18,016.45-27,028.19-6,922.28

Finding the Fourth Proportional to 18,016.45, 27,028.19 and 6,922.28

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Solution

The fourth proportional to 18,016.45, 27,028.19 and 6,922.28 is: 10,384.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,016.45 : 27,028.19 = 6,922.28 : x
  2. Step 2: Convert to fraction form
    18,016.45/27,028.19 = 6,922.28/x
  3. Step 3: Cross multiply
    18,016.45x = 27,028.19 × 6,922.28
  4. Step 4: Simplify right side
    18,016.45x = 187,096,732.03
  5. Step 5: Solve for x
    x = 187,096,732.03/18,016.45
  6. Step 6: Final answer
    x = 10,384.77

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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.