Home / 18,198.90-27,233.55-12,626.10

Finding the Fourth Proportional to 18,198.90, 27,233.55 and 12,626.10

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Solution

The fourth proportional to 18,198.90, 27,233.55 and 12,626.10 is: 18,894.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,198.90 : 27,233.55 = 12,626.10 : x
  2. Step 2: Convert to fraction form
    18,198.90/27,233.55 = 12,626.10/x
  3. Step 3: Cross multiply
    18,198.90x = 27,233.55 × 12,626.10
  4. Step 4: Simplify right side
    18,198.90x = 343,853,525.66
  5. Step 5: Solve for x
    x = 343,853,525.66/18,198.90
  6. Step 6: Final answer
    x = 18,894.19

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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.