Home / 11,019.88-16,514.94-5,163.40

Finding the Fourth Proportional to 11,019.88, 16,514.94 and 5,163.40

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Solution

The fourth proportional to 11,019.88, 16,514.94 and 5,163.40 is: 7,738.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,019.88 : 16,514.94 = 5,163.40 : x
  2. Step 2: Convert to fraction form
    11,019.88/16,514.94 = 5,163.40/x
  3. Step 3: Cross multiply
    11,019.88x = 16,514.94 × 5,163.40
  4. Step 4: Simplify right side
    11,019.88x = 85,273,241.20
  5. Step 5: Solve for x
    x = 85,273,241.20/11,019.88
  6. Step 6: Final answer
    x = 7,738.13

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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.