Home / 11,727.22-17,589.48-2,961.68

Finding the Fourth Proportional to 11,727.22, 17,589.48 and 2,961.68

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Solution

The fourth proportional to 11,727.22, 17,589.48 and 2,961.68 is: 4,442.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,727.22 : 17,589.48 = 2,961.68 : x
  2. Step 2: Convert to fraction form
    11,727.22/17,589.48 = 2,961.68/x
  3. Step 3: Cross multiply
    11,727.22x = 17,589.48 × 2,961.68
  4. Step 4: Simplify right side
    11,727.22x = 52,094,411.13
  5. Step 5: Solve for x
    x = 52,094,411.13/11,727.22
  6. Step 6: Final answer
    x = 4,442.18

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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.