Home / 11,855.49-17,785.73-4,064.91

Finding the Fourth Proportional to 11,855.49, 17,785.73 and 4,064.91

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Solution

The fourth proportional to 11,855.49, 17,785.73 and 4,064.91 is: 6,098.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,855.49 : 17,785.73 = 4,064.91 : x
  2. Step 2: Convert to fraction form
    11,855.49/17,785.73 = 4,064.91/x
  3. Step 3: Cross multiply
    11,855.49x = 17,785.73 × 4,064.91
  4. Step 4: Simplify right side
    11,855.49x = 72,297,391.73
  5. Step 5: Solve for x
    x = 72,297,391.73/11,855.49
  6. Step 6: Final answer
    x = 6,098.22

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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.