Home / 18,253.62-27,380.46-5,105.94

Finding the Fourth Proportional to 18,253.62, 27,380.46 and 5,105.94

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Solution

The fourth proportional to 18,253.62, 27,380.46 and 5,105.94 is: 7,658.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,253.62 : 27,380.46 = 5,105.94 : x
  2. Step 2: Convert to fraction form
    18,253.62/27,380.46 = 5,105.94/x
  3. Step 3: Cross multiply
    18,253.62x = 27,380.46 × 5,105.94
  4. Step 4: Simplify right side
    18,253.62x = 139,802,985.93
  5. Step 5: Solve for x
    x = 139,802,985.93/18,253.62
  6. Step 6: Final answer
    x = 7,658.92

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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.