Home / 11,314.36-16,968.30-3,916.90

Finding the Fourth Proportional to 11,314.36, 16,968.30 and 3,916.90

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Solution

The fourth proportional to 11,314.36, 16,968.30 and 3,916.90 is: 5,874.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,314.36 : 16,968.30 = 3,916.90 : x
  2. Step 2: Convert to fraction form
    11,314.36/16,968.30 = 3,916.90/x
  3. Step 3: Cross multiply
    11,314.36x = 16,968.30 × 3,916.90
  4. Step 4: Simplify right side
    11,314.36x = 66,463,134.27
  5. Step 5: Solve for x
    x = 66,463,134.27/11,314.36
  6. Step 6: Final answer
    x = 5,874.23

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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.