Home / 18,620.57-27,936.63-5,972.22

Finding the Fourth Proportional to 18,620.57, 27,936.63 and 5,972.22

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Solution

The fourth proportional to 18,620.57, 27,936.63 and 5,972.22 is: 8,960.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,620.57 : 27,936.63 = 5,972.22 : x
  2. Step 2: Convert to fraction form
    18,620.57/27,936.63 = 5,972.22/x
  3. Step 3: Cross multiply
    18,620.57x = 27,936.63 × 5,972.22
  4. Step 4: Simplify right side
    18,620.57x = 166,843,700.42
  5. Step 5: Solve for x
    x = 166,843,700.42/18,620.57
  6. Step 6: Final answer
    x = 8,960.18

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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.