Home / 18,346.20-27,503.10-10,942.80

Finding the Fourth Proportional to 18,346.20, 27,503.10 and 10,942.80

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Solution

The fourth proportional to 18,346.20, 27,503.10 and 10,942.80 is: 16,404.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,346.20 : 27,503.10 = 10,942.80 : x
  2. Step 2: Convert to fraction form
    18,346.20/27,503.10 = 10,942.80/x
  3. Step 3: Cross multiply
    18,346.20x = 27,503.10 × 10,942.80
  4. Step 4: Simplify right side
    18,346.20x = 300,960,922.68
  5. Step 5: Solve for x
    x = 300,960,922.68/18,346.20
  6. Step 6: Final answer
    x = 16,404.54

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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.