Home / 11,279.95-16,916.64-3,382.15

Finding the Fourth Proportional to 11,279.95, 16,916.64 and 3,382.15

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Solution

The fourth proportional to 11,279.95, 16,916.64 and 3,382.15 is: 5,072.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,279.95 : 16,916.64 = 3,382.15 : x
  2. Step 2: Convert to fraction form
    11,279.95/16,916.64 = 3,382.15/x
  3. Step 3: Cross multiply
    11,279.95x = 16,916.64 × 3,382.15
  4. Step 4: Simplify right side
    11,279.95x = 57,214,613.98
  5. Step 5: Solve for x
    x = 57,214,613.98/11,279.95
  6. Step 6: Final answer
    x = 5,072.24

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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.