Home / 11,122.12-16,683.66-4,197.16

Finding the Fourth Proportional to 11,122.12, 16,683.66 and 4,197.16

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Solution

The fourth proportional to 11,122.12, 16,683.66 and 4,197.16 is: 6,295.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,122.12 : 16,683.66 = 4,197.16 : x
  2. Step 2: Convert to fraction form
    11,122.12/16,683.66 = 4,197.16/x
  3. Step 3: Cross multiply
    11,122.12x = 16,683.66 × 4,197.16
  4. Step 4: Simplify right side
    11,122.12x = 70,023,990.41
  5. Step 5: Solve for x
    x = 70,023,990.41/11,122.12
  6. Step 6: Final answer
    x = 6,295.92

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.