Home / 18,020.90-27,016.41-11,080.82

Finding the Fourth Proportional to 18,020.90, 27,016.41 and 11,080.82

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Solution

The fourth proportional to 18,020.90, 27,016.41 and 11,080.82 is: 16,612.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,020.90 : 27,016.41 = 11,080.82 : x
  2. Step 2: Convert to fraction form
    18,020.90/27,016.41 = 11,080.82/x
  3. Step 3: Cross multiply
    18,020.90x = 27,016.41 × 11,080.82
  4. Step 4: Simplify right side
    18,020.90x = 299,363,976.26
  5. Step 5: Solve for x
    x = 299,363,976.26/18,020.90
  6. Step 6: Final answer
    x = 16,612.04

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1.5x scale

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.