Home / 17,963.20-26,944.80-9,105.85

Finding the Fourth Proportional to 17,963.20, 26,944.80 and 9,105.85

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Solution

The fourth proportional to 17,963.20, 26,944.80 and 9,105.85 is: 13,658.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,963.20 : 26,944.80 = 9,105.85 : x
  2. Step 2: Convert to fraction form
    17,963.20/26,944.80 = 9,105.85/x
  3. Step 3: Cross multiply
    17,963.20x = 26,944.80 × 9,105.85
  4. Step 4: Simplify right side
    17,963.20x = 245,355,307.08
  5. Step 5: Solve for x
    x = 245,355,307.08/17,963.20
  6. Step 6: Final answer
    x = 13,658.78

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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.