Home / 20,063.07-27,686.61-11,565.09

Finding the Fourth Proportional to 20,063.07, 27,686.61 and 11,565.09

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Solution

The fourth proportional to 20,063.07, 27,686.61 and 11,565.09 is: 15,959.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063.07 : 27,686.61 = 11,565.09 : x
  2. Step 2: Convert to fraction form
    20,063.07/27,686.61 = 11,565.09/x
  3. Step 3: Cross multiply
    20,063.07x = 27,686.61 × 11,565.09
  4. Step 4: Simplify right side
    20,063.07x = 320,198,136.44
  5. Step 5: Solve for x
    x = 320,198,136.44/20,063.07
  6. Step 6: Final answer
    x = 15,959.58

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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.