Home / 18,251.67-27,378.45-5,772.09

Finding the Fourth Proportional to 18,251.67, 27,378.45 and 5,772.09

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Solution

The fourth proportional to 18,251.67, 27,378.45 and 5,772.09 is: 8,658.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251.67 : 27,378.45 = 5,772.09 : x
  2. Step 2: Convert to fraction form
    18,251.67/27,378.45 = 5,772.09/x
  3. Step 3: Cross multiply
    18,251.67x = 27,378.45 × 5,772.09
  4. Step 4: Simplify right side
    18,251.67x = 158,030,877.46
  5. Step 5: Solve for x
    x = 158,030,877.46/18,251.67
  6. Step 6: Final answer
    x = 8,658.43

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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.