Home / 20,106.83-27,743.27-11,608.80

Finding the Fourth Proportional to 20,106.83, 27,743.27 and 11,608.80

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Solution

The fourth proportional to 20,106.83, 27,743.27 and 11,608.80 is: 16,017.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,106.83 : 27,743.27 = 11,608.80 : x
  2. Step 2: Convert to fraction form
    20,106.83/27,743.27 = 11,608.80/x
  3. Step 3: Cross multiply
    20,106.83x = 27,743.27 × 11,608.80
  4. Step 4: Simplify right side
    20,106.83x = 322,066,014.73
  5. Step 5: Solve for x
    x = 322,066,014.73/20,106.83
  6. Step 6: Final answer
    x = 16,017.75

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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.