Home / 11,455.32-17,181.90-3,662.04

Finding the Fourth Proportional to 11,455.32, 17,181.90 and 3,662.04

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Solution

The fourth proportional to 11,455.32, 17,181.90 and 3,662.04 is: 5,492.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,455.32 : 17,181.90 = 3,662.04 : x
  2. Step 2: Convert to fraction form
    11,455.32/17,181.90 = 3,662.04/x
  3. Step 3: Cross multiply
    11,455.32x = 17,181.90 × 3,662.04
  4. Step 4: Simplify right side
    11,455.32x = 62,920,805.08
  5. Step 5: Solve for x
    x = 62,920,805.08/11,455.32
  6. Step 6: Final answer
    x = 5,492.71

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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.