Home / 20,082.62-27,713.26-11,130.27

Finding the Fourth Proportional to 20,082.62, 27,713.26 and 11,130.27

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Solution

The fourth proportional to 20,082.62, 27,713.26 and 11,130.27 is: 15,359.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,082.62 : 27,713.26 = 11,130.27 : x
  2. Step 2: Convert to fraction form
    20,082.62/27,713.26 = 11,130.27/x
  3. Step 3: Cross multiply
    20,082.62x = 27,713.26 × 11,130.27
  4. Step 4: Simplify right side
    20,082.62x = 308,456,107.84
  5. Step 5: Solve for x
    x = 308,456,107.84/20,082.62
  6. Step 6: Final answer
    x = 15,359.36

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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.