Home / 22,147.20-33,240.24-12,297.60

Finding the Fourth Proportional to 22,147.20, 33,240.24 and 12,297.60

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Solution

The fourth proportional to 22,147.20, 33,240.24 and 12,297.60 is: 18,457.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,147.20 : 33,240.24 = 12,297.60 : x
  2. Step 2: Convert to fraction form
    22,147.20/33,240.24 = 12,297.60/x
  3. Step 3: Cross multiply
    22,147.20x = 33,240.24 × 12,297.60
  4. Step 4: Simplify right side
    22,147.20x = 408,775,175.42
  5. Step 5: Solve for x
    x = 408,775,175.42/22,147.20
  6. Step 6: Final answer
    x = 18,457.19

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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.