Home / 11,916.38-17,873.06-3,151.98

Finding the Fourth Proportional to 11,916.38, 17,873.06 and 3,151.98

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Solution

The fourth proportional to 11,916.38, 17,873.06 and 3,151.98 is: 4,727.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,916.38 : 17,873.06 = 3,151.98 : x
  2. Step 2: Convert to fraction form
    11,916.38/17,873.06 = 3,151.98/x
  3. Step 3: Cross multiply
    11,916.38x = 17,873.06 × 3,151.98
  4. Step 4: Simplify right side
    11,916.38x = 56,335,511.90
  5. Step 5: Solve for x
    x = 56,335,511.90/11,916.38
  6. Step 6: Final answer
    x = 4,727.57

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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.