Home / 18,834.44-28,235.54-7,734.20

Finding the Fourth Proportional to 18,834.44, 28,235.54 and 7,734.20

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Solution

The fourth proportional to 18,834.44, 28,235.54 and 7,734.20 is: 11,594.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834.44 : 28,235.54 = 7,734.20 : x
  2. Step 2: Convert to fraction form
    18,834.44/28,235.54 = 7,734.20/x
  3. Step 3: Cross multiply
    18,834.44x = 28,235.54 × 7,734.20
  4. Step 4: Simplify right side
    18,834.44x = 218,379,313.47
  5. Step 5: Solve for x
    x = 218,379,313.47/18,834.44
  6. Step 6: Final answer
    x = 11,594.68

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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.