Home / 18,213.52-27,297.24-8,855.68

Finding the Fourth Proportional to 18,213.52, 27,297.24 and 8,855.68

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Solution

The fourth proportional to 18,213.52, 27,297.24 and 8,855.68 is: 13,272.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213.52 : 27,297.24 = 8,855.68 : x
  2. Step 2: Convert to fraction form
    18,213.52/27,297.24 = 8,855.68/x
  3. Step 3: Cross multiply
    18,213.52x = 27,297.24 × 8,855.68
  4. Step 4: Simplify right side
    18,213.52x = 241,735,622.32
  5. Step 5: Solve for x
    x = 241,735,622.32/18,213.52
  6. Step 6: Final answer
    x = 13,272.32

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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.