Home / 12,221.01-18,334.62-5,651.91

Finding the Fourth Proportional to 12,221.01, 18,334.62 and 5,651.91

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Solution

The fourth proportional to 12,221.01, 18,334.62 and 5,651.91 is: 8,479.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,221.01 : 18,334.62 = 5,651.91 : x
  2. Step 2: Convert to fraction form
    12,221.01/18,334.62 = 5,651.91/x
  3. Step 3: Cross multiply
    12,221.01x = 18,334.62 × 5,651.91
  4. Step 4: Simplify right side
    12,221.01x = 103,625,622.12
  5. Step 5: Solve for x
    x = 103,625,622.12/12,221.01
  6. Step 6: Final answer
    x = 8,479.30

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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.