Home / 19,629.14-27,082.15-11,974.03

Finding the Fourth Proportional to 19,629.14, 27,082.15 and 11,974.03

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Solution

The fourth proportional to 19,629.14, 27,082.15 and 11,974.03 is: 16,520.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,629.14 : 27,082.15 = 11,974.03 : x
  2. Step 2: Convert to fraction form
    19,629.14/27,082.15 = 11,974.03/x
  3. Step 3: Cross multiply
    19,629.14x = 27,082.15 × 11,974.03
  4. Step 4: Simplify right side
    19,629.14x = 324,282,378.92
  5. Step 5: Solve for x
    x = 324,282,378.92/19,629.14
  6. Step 6: Final answer
    x = 16,520.46

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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.