Home / 12,187.22-18,280.82-4,396.03

Finding the Fourth Proportional to 12,187.22, 18,280.82 and 4,396.03

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Solution

The fourth proportional to 12,187.22, 18,280.82 and 4,396.03 is: 6,594.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,187.22 : 18,280.82 = 4,396.03 : x
  2. Step 2: Convert to fraction form
    12,187.22/18,280.82 = 4,396.03/x
  3. Step 3: Cross multiply
    12,187.22x = 18,280.82 × 4,396.03
  4. Step 4: Simplify right side
    12,187.22x = 80,362,998.43
  5. Step 5: Solve for x
    x = 80,362,998.43/12,187.22
  6. Step 6: Final answer
    x = 6,594.04

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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.