Home / 11,874.39-17,813.40-4,081.38

Finding the Fourth Proportional to 11,874.39, 17,813.40 and 4,081.38

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Solution

The fourth proportional to 11,874.39, 17,813.40 and 4,081.38 is: 6,122.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,874.39 : 17,813.40 = 4,081.38 : x
  2. Step 2: Convert to fraction form
    11,874.39/17,813.40 = 4,081.38/x
  3. Step 3: Cross multiply
    11,874.39x = 17,813.40 × 4,081.38
  4. Step 4: Simplify right side
    11,874.39x = 72,703,254.49
  5. Step 5: Solve for x
    x = 72,703,254.49/11,874.39
  6. Step 6: Final answer
    x = 6,122.69

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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.