Home / 11,758.23-17,635.50-3,858.39

Finding the Fourth Proportional to 11,758.23, 17,635.50 and 3,858.39

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Solution

The fourth proportional to 11,758.23, 17,635.50 and 3,858.39 is: 5,786.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,758.23 : 17,635.50 = 3,858.39 : x
  2. Step 2: Convert to fraction form
    11,758.23/17,635.50 = 3,858.39/x
  3. Step 3: Cross multiply
    11,758.23x = 17,635.50 × 3,858.39
  4. Step 4: Simplify right side
    11,758.23x = 68,044,636.85
  5. Step 5: Solve for x
    x = 68,044,636.85/11,758.23
  6. Step 6: Final answer
    x = 5,786.98

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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.