Home / 14,108.10-21,167.55-6,311.31

Finding the Fourth Proportional to 14,108.10, 21,167.55 and 6,311.31

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Solution

The fourth proportional to 14,108.10, 21,167.55 and 6,311.31 is: 9,469.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108.10 : 21,167.55 = 6,311.31 : x
  2. Step 2: Convert to fraction form
    14,108.10/21,167.55 = 6,311.31/x
  3. Step 3: Cross multiply
    14,108.10x = 21,167.55 × 6,311.31
  4. Step 4: Simplify right side
    14,108.10x = 133,594,969.99
  5. Step 5: Solve for x
    x = 133,594,969.99/14,108.10
  6. Step 6: Final answer
    x = 9,469.38

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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.