Home / 20,149.64-27,808.26-11,768.84

Finding the Fourth Proportional to 20,149.64, 27,808.26 and 11,768.84

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Solution

The fourth proportional to 20,149.64, 27,808.26 and 11,768.84 is: 16,242.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,149.64 : 27,808.26 = 11,768.84 : x
  2. Step 2: Convert to fraction form
    20,149.64/27,808.26 = 11,768.84/x
  3. Step 3: Cross multiply
    20,149.64x = 27,808.26 × 11,768.84
  4. Step 4: Simplify right side
    20,149.64x = 327,270,962.62
  5. Step 5: Solve for x
    x = 327,270,962.62/20,149.64
  6. Step 6: Final answer
    x = 16,242.03

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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.