Home / 20,181.25-27,847.09-11,566.19

Finding the Fourth Proportional to 20,181.25, 27,847.09 and 11,566.19

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Solution

The fourth proportional to 20,181.25, 27,847.09 and 11,566.19 is: 15,959.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,181.25 : 27,847.09 = 11,566.19 : x
  2. Step 2: Convert to fraction form
    20,181.25/27,847.09 = 11,566.19/x
  3. Step 3: Cross multiply
    20,181.25x = 27,847.09 × 11,566.19
  4. Step 4: Simplify right side
    20,181.25x = 322,084,817.96
  5. Step 5: Solve for x
    x = 322,084,817.96/20,181.25
  6. Step 6: Final answer
    x = 15,959.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.