Home / 21,474.14-32,220.80-8,327.54

Finding the Fourth Proportional to 21,474.14, 32,220.80 and 8,327.54

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Solution

The fourth proportional to 21,474.14, 32,220.80 and 8,327.54 is: 12,495.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,474.14 : 32,220.80 = 8,327.54 : x
  2. Step 2: Convert to fraction form
    21,474.14/32,220.80 = 8,327.54/x
  3. Step 3: Cross multiply
    21,474.14x = 32,220.80 × 8,327.54
  4. Step 4: Simplify right side
    21,474.14x = 268,320,000.83
  5. Step 5: Solve for x
    x = 268,320,000.83/21,474.14
  6. Step 6: Final answer
    x = 12,495.03

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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.