Home / 12,200.23-16,836.33-6,611.23

Finding the Fourth Proportional to 12,200.23, 16,836.33 and 6,611.23

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Solution

The fourth proportional to 12,200.23, 16,836.33 and 6,611.23 is: 9,123.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,200.23 : 16,836.33 = 6,611.23 : x
  2. Step 2: Convert to fraction form
    12,200.23/16,836.33 = 6,611.23/x
  3. Step 3: Cross multiply
    12,200.23x = 16,836.33 × 6,611.23
  4. Step 4: Simplify right side
    12,200.23x = 111,308,849.99
  5. Step 5: Solve for x
    x = 111,308,849.99/12,200.23
  6. Step 6: Final answer
    x = 9,123.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.