Home / 11,114.57-16,678.40-4,099.52

Finding the Fourth Proportional to 11,114.57, 16,678.40 and 4,099.52

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Solution

The fourth proportional to 11,114.57, 16,678.40 and 4,099.52 is: 6,151.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,114.57 : 16,678.40 = 4,099.52 : x
  2. Step 2: Convert to fraction form
    11,114.57/16,678.40 = 4,099.52/x
  3. Step 3: Cross multiply
    11,114.57x = 16,678.40 × 4,099.52
  4. Step 4: Simplify right side
    11,114.57x = 68,373,330.48
  5. Step 5: Solve for x
    x = 68,373,330.48/11,114.57
  6. Step 6: Final answer
    x = 6,151.69

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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.