Home / 11,794.88-17,690.40-3,897.36

Finding the Fourth Proportional to 11,794.88, 17,690.40 and 3,897.36

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Solution

The fourth proportional to 11,794.88, 17,690.40 and 3,897.36 is: 5,845.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,794.88 : 17,690.40 = 3,897.36 : x
  2. Step 2: Convert to fraction form
    11,794.88/17,690.40 = 3,897.36/x
  3. Step 3: Cross multiply
    11,794.88x = 17,690.40 × 3,897.36
  4. Step 4: Simplify right side
    11,794.88x = 68,945,857.34
  5. Step 5: Solve for x
    x = 68,945,857.34/11,794.88
  6. Step 6: Final answer
    x = 5,845.41

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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.