Home / 14,408.91-21,623.09-5,642.73

Finding the Fourth Proportional to 14,408.91, 21,623.09 and 5,642.73

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Solution

The fourth proportional to 14,408.91, 21,623.09 and 5,642.73 is: 8,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,408.91 : 21,623.09 = 5,642.73 : x
  2. Step 2: Convert to fraction form
    14,408.91/21,623.09 = 5,642.73/x
  3. Step 3: Cross multiply
    14,408.91x = 21,623.09 × 5,642.73
  4. Step 4: Simplify right side
    14,408.91x = 122,013,230.42
  5. Step 5: Solve for x
    x = 122,013,230.42/14,408.91
  6. Step 6: Final answer
    x = 8,467.90

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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.