Home / 18,208.20-27,321.22-6,522.32

Finding the Fourth Proportional to 18,208.20, 27,321.22 and 6,522.32

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Solution

The fourth proportional to 18,208.20, 27,321.22 and 6,522.32 is: 9,786.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208.20 : 27,321.22 = 6,522.32 : x
  2. Step 2: Convert to fraction form
    18,208.20/27,321.22 = 6,522.32/x
  3. Step 3: Cross multiply
    18,208.20x = 27,321.22 × 6,522.32
  4. Step 4: Simplify right side
    18,208.20x = 178,197,739.63
  5. Step 5: Solve for x
    x = 178,197,739.63/18,208.20
  6. Step 6: Final answer
    x = 9,786.68

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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.