Home / 14,102.76-21,162.24-6,310.56

Finding the Fourth Proportional to 14,102.76, 21,162.24 and 6,310.56

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Solution

The fourth proportional to 14,102.76, 21,162.24 and 6,310.56 is: 9,469.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,102.76 : 21,162.24 = 6,310.56 : x
  2. Step 2: Convert to fraction form
    14,102.76/21,162.24 = 6,310.56/x
  3. Step 3: Cross multiply
    14,102.76x = 21,162.24 × 6,310.56
  4. Step 4: Simplify right side
    14,102.76x = 133,545,585.25
  5. Step 5: Solve for x
    x = 133,545,585.25/14,102.76
  6. Step 6: Final answer
    x = 9,469.46

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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.