Home / 18,212.84-27,310.62-9,438.92

Finding the Fourth Proportional to 18,212.84, 27,310.62 and 9,438.92

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Solution

The fourth proportional to 18,212.84, 27,310.62 and 9,438.92 is: 14,153.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,212.84 : 27,310.62 = 9,438.92 : x
  2. Step 2: Convert to fraction form
    18,212.84/27,310.62 = 9,438.92/x
  3. Step 3: Cross multiply
    18,212.84x = 27,310.62 × 9,438.92
  4. Step 4: Simplify right side
    18,212.84x = 257,782,757.33
  5. Step 5: Solve for x
    x = 257,782,757.33/18,212.84
  6. Step 6: Final answer
    x = 14,153.90

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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.