Home / 12,200.24-16,836.30-6,611.24

Finding the Fourth Proportional to 12,200.24, 16,836.30 and 6,611.24

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Solution

The fourth proportional to 12,200.24, 16,836.30 and 6,611.24 is: 9,123.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,200.24 : 16,836.30 = 6,611.24 : x
  2. Step 2: Convert to fraction form
    12,200.24/16,836.30 = 6,611.24/x
  3. Step 3: Cross multiply
    12,200.24x = 16,836.30 × 6,611.24
  4. Step 4: Simplify right side
    12,200.24x = 111,308,820.01
  5. Step 5: Solve for x
    x = 111,308,820.01/12,200.24
  6. Step 6: Final answer
    x = 9,123.49

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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.