Home / 14,247.15-21,369.11-3,858.09

Finding the Fourth Proportional to 14,247.15, 21,369.11 and 3,858.09

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Solution

The fourth proportional to 14,247.15, 21,369.11 and 3,858.09 is: 5,786.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,247.15 : 21,369.11 = 3,858.09 : x
  2. Step 2: Convert to fraction form
    14,247.15/21,369.11 = 3,858.09/x
  3. Step 3: Cross multiply
    14,247.15x = 21,369.11 × 3,858.09
  4. Step 4: Simplify right side
    14,247.15x = 82,443,949.60
  5. Step 5: Solve for x
    x = 82,443,949.60/14,247.15
  6. Step 6: Final answer
    x = 5,786.70

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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.