Home / 18,174.45-27,250.93-6,930.70

Finding the Fourth Proportional to 18,174.45, 27,250.93 and 6,930.70

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Solution

The fourth proportional to 18,174.45, 27,250.93 and 6,930.70 is: 10,391.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,174.45 : 27,250.93 = 6,930.70 : x
  2. Step 2: Convert to fraction form
    18,174.45/27,250.93 = 6,930.70/x
  3. Step 3: Cross multiply
    18,174.45x = 27,250.93 × 6,930.70
  4. Step 4: Simplify right side
    18,174.45x = 188,868,020.55
  5. Step 5: Solve for x
    x = 188,868,020.55/18,174.45
  6. Step 6: Final answer
    x = 10,391.95

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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.