Home / 14,141.10-21,183.30-8,859.90

Finding the Fourth Proportional to 14,141.10, 21,183.30 and 8,859.90

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Solution

The fourth proportional to 14,141.10, 21,183.30 and 8,859.90 is: 13,272.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,141.10 : 21,183.30 = 8,859.90 : x
  2. Step 2: Convert to fraction form
    14,141.10/21,183.30 = 8,859.90/x
  3. Step 3: Cross multiply
    14,141.10x = 21,183.30 × 8,859.90
  4. Step 4: Simplify right side
    14,141.10x = 187,681,919.67
  5. Step 5: Solve for x
    x = 187,681,919.67/14,141.10
  6. Step 6: Final answer
    x = 13,272.09

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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.