Home / 19,418.42-29,103.02-12,396.33

Finding the Fourth Proportional to 19,418.42, 29,103.02 and 12,396.33

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Solution

The fourth proportional to 19,418.42, 29,103.02 and 12,396.33 is: 18,578.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,418.42 : 29,103.02 = 12,396.33 : x
  2. Step 2: Convert to fraction form
    19,418.42/29,103.02 = 12,396.33/x
  3. Step 3: Cross multiply
    19,418.42x = 29,103.02 × 12,396.33
  4. Step 4: Simplify right side
    19,418.42x = 360,770,577.93
  5. Step 5: Solve for x
    x = 360,770,577.93/19,418.42
  6. Step 6: Final answer
    x = 18,578.79

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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.