Home / 21,440.53-32,163.91-6,650.64

Finding the Fourth Proportional to 21,440.53, 32,163.91 and 6,650.64

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Solution

The fourth proportional to 21,440.53, 32,163.91 and 6,650.64 is: 9,976.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,440.53 : 32,163.91 = 6,650.64 : x
  2. Step 2: Convert to fraction form
    21,440.53/32,163.91 = 6,650.64/x
  3. Step 3: Cross multiply
    21,440.53x = 32,163.91 × 6,650.64
  4. Step 4: Simplify right side
    21,440.53x = 213,910,586.40
  5. Step 5: Solve for x
    x = 213,910,586.40/21,440.53
  6. Step 6: Final answer
    x = 9,976.93

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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.