Home / 18,965.92-26,181.83-11,006.61

Finding the Fourth Proportional to 18,965.92, 26,181.83 and 11,006.61

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Solution

The fourth proportional to 18,965.92, 26,181.83 and 11,006.61 is: 15,194.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,965.92 : 26,181.83 = 11,006.61 : x
  2. Step 2: Convert to fraction form
    18,965.92/26,181.83 = 11,006.61/x
  3. Step 3: Cross multiply
    18,965.92x = 26,181.83 × 11,006.61
  4. Step 4: Simplify right side
    18,965.92x = 288,173,098.93
  5. Step 5: Solve for x
    x = 288,173,098.93/18,965.92
  6. Step 6: Final answer
    x = 15,194.26

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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.