Home / 18,771.57-28,163.61-6,292.83

Finding the Fourth Proportional to 18,771.57, 28,163.61 and 6,292.83

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Solution

The fourth proportional to 18,771.57, 28,163.61 and 6,292.83 is: 9,441.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,771.57 : 28,163.61 = 6,292.83 : x
  2. Step 2: Convert to fraction form
    18,771.57/28,163.61 = 6,292.83/x
  3. Step 3: Cross multiply
    18,771.57x = 28,163.61 × 6,292.83
  4. Step 4: Simplify right side
    18,771.57x = 177,228,809.92
  5. Step 5: Solve for x
    x = 177,228,809.92/18,771.57
  6. Step 6: Final answer
    x = 9,441.34

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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.