Home / 19,669.92-27,144.24-11,286.24

Finding the Fourth Proportional to 19,669.92, 27,144.24 and 11,286.24

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Solution

The fourth proportional to 19,669.92, 27,144.24 and 11,286.24 is: 15,574.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,669.92 : 27,144.24 = 11,286.24 : x
  2. Step 2: Convert to fraction form
    19,669.92/27,144.24 = 11,286.24/x
  3. Step 3: Cross multiply
    19,669.92x = 27,144.24 × 11,286.24
  4. Step 4: Simplify right side
    19,669.92x = 306,356,407.26
  5. Step 5: Solve for x
    x = 306,356,407.26/19,669.92
  6. Step 6: Final answer
    x = 15,574.87

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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.