Home / 20,101.05-27,743.49-11,608.74

Finding the Fourth Proportional to 20,101.05, 27,743.49 and 11,608.74

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Solution

The fourth proportional to 20,101.05, 27,743.49 and 11,608.74 is: 16,022.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,101.05 : 27,743.49 = 11,608.74 : x
  2. Step 2: Convert to fraction form
    20,101.05/27,743.49 = 11,608.74/x
  3. Step 3: Cross multiply
    20,101.05x = 27,743.49 × 11,608.74
  4. Step 4: Simplify right side
    20,101.05x = 322,066,962.10
  5. Step 5: Solve for x
    x = 322,066,962.10/20,101.05
  6. Step 6: Final answer
    x = 16,022.39

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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.