Home / 18,826.04-28,234.31-7,735.79

Finding the Fourth Proportional to 18,826.04, 28,234.31 and 7,735.79

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Solution

The fourth proportional to 18,826.04, 28,234.31 and 7,735.79 is: 11,601.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826.04 : 28,234.31 = 7,735.79 : x
  2. Step 2: Convert to fraction form
    18,826.04/28,234.31 = 7,735.79/x
  3. Step 3: Cross multiply
    18,826.04x = 28,234.31 × 7,735.79
  4. Step 4: Simplify right side
    18,826.04x = 218,414,571.12
  5. Step 5: Solve for x
    x = 218,414,571.12/18,826.04
  6. Step 6: Final answer
    x = 11,601.73

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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.