Home / 11,310.08-16,963.68-4,379.84

Finding the Fourth Proportional to 11,310.08, 16,963.68 and 4,379.84

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Solution

The fourth proportional to 11,310.08, 16,963.68 and 4,379.84 is: 6,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,310.08 : 16,963.68 = 4,379.84 : x
  2. Step 2: Convert to fraction form
    11,310.08/16,963.68 = 4,379.84/x
  3. Step 3: Cross multiply
    11,310.08x = 16,963.68 × 4,379.84
  4. Step 4: Simplify right side
    11,310.08x = 74,298,204.21
  5. Step 5: Solve for x
    x = 74,298,204.21/11,310.08
  6. Step 6: Final answer
    x = 6,569.20

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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.