Home / 11,099.92-16,627.20-5,167.84

Finding the Fourth Proportional to 11,099.92, 16,627.20 and 5,167.84

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Solution

The fourth proportional to 11,099.92, 16,627.20 and 5,167.84 is: 7,741.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,099.92 : 16,627.20 = 5,167.84 : x
  2. Step 2: Convert to fraction form
    11,099.92/16,627.20 = 5,167.84/x
  3. Step 3: Cross multiply
    11,099.92x = 16,627.20 × 5,167.84
  4. Step 4: Simplify right side
    11,099.92x = 85,926,709.25
  5. Step 5: Solve for x
    x = 85,926,709.25/11,099.92
  6. Step 6: Final answer
    x = 7,741.20

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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.