Home / 13,110.26-19,665.72-3,249.38

Finding the Fourth Proportional to 13,110.26, 19,665.72 and 3,249.38

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Solution

The fourth proportional to 13,110.26, 19,665.72 and 3,249.38 is: 4,874.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110.26 : 19,665.72 = 3,249.38 : x
  2. Step 2: Convert to fraction form
    13,110.26/19,665.72 = 3,249.38/x
  3. Step 3: Cross multiply
    13,110.26x = 19,665.72 × 3,249.38
  4. Step 4: Simplify right side
    13,110.26x = 63,901,446.42
  5. Step 5: Solve for x
    x = 63,901,446.42/13,110.26
  6. Step 6: Final answer
    x = 4,874.16

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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.