Home / 21,559.92-32,357.20-11,174.64

Finding the Fourth Proportional to 21,559.92, 32,357.20 and 11,174.64

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Solution

The fourth proportional to 21,559.92, 32,357.20 and 11,174.64 is: 16,770.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559.92 : 32,357.20 = 11,174.64 : x
  2. Step 2: Convert to fraction form
    21,559.92/32,357.20 = 11,174.64/x
  3. Step 3: Cross multiply
    21,559.92x = 32,357.20 × 11,174.64
  4. Step 4: Simplify right side
    21,559.92x = 361,580,061.41
  5. Step 5: Solve for x
    x = 361,580,061.41/21,559.92
  6. Step 6: Final answer
    x = 16,770.94

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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.