Home / 21,474.82-32,198.46-9,003.66

Finding the Fourth Proportional to 21,474.82, 32,198.46 and 9,003.66

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Solution

The fourth proportional to 21,474.82, 32,198.46 and 9,003.66 is: 13,499.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,474.82 : 32,198.46 = 9,003.66 : x
  2. Step 2: Convert to fraction form
    21,474.82/32,198.46 = 9,003.66/x
  3. Step 3: Cross multiply
    21,474.82x = 32,198.46 × 9,003.66
  4. Step 4: Simplify right side
    21,474.82x = 289,903,986.36
  5. Step 5: Solve for x
    x = 289,903,986.36/21,474.82
  6. Step 6: Final answer
    x = 13,499.72

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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.