Home / 11,581.08-17,370.30-3,261.78

Finding the Fourth Proportional to 11,581.08, 17,370.30 and 3,261.78

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Solution

The fourth proportional to 11,581.08, 17,370.30 and 3,261.78 is: 4,892.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,581.08 : 17,370.30 = 3,261.78 : x
  2. Step 2: Convert to fraction form
    11,581.08/17,370.30 = 3,261.78/x
  3. Step 3: Cross multiply
    11,581.08x = 17,370.30 × 3,261.78
  4. Step 4: Simplify right side
    11,581.08x = 56,658,097.13
  5. Step 5: Solve for x
    x = 56,658,097.13/11,581.08
  6. Step 6: Final answer
    x = 4,892.30

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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.