Home / 20,006.61-27,611.79-11,508.52

Finding the Fourth Proportional to 20,006.61, 27,611.79 and 11,508.52

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Solution

The fourth proportional to 20,006.61, 27,611.79 and 11,508.52 is: 15,883.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,006.61 : 27,611.79 = 11,508.52 : x
  2. Step 2: Convert to fraction form
    20,006.61/27,611.79 = 11,508.52/x
  3. Step 3: Cross multiply
    20,006.61x = 27,611.79 × 11,508.52
  4. Step 4: Simplify right side
    20,006.61x = 317,770,738.21
  5. Step 5: Solve for x
    x = 317,770,738.21/20,006.61
  6. Step 6: Final answer
    x = 15,883.29

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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.