Home / 19,604.22-27,047.28-11,105.49

Finding the Fourth Proportional to 19,604.22, 27,047.28 and 11,105.49

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Solution

The fourth proportional to 19,604.22, 27,047.28 and 11,105.49 is: 15,321.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,604.22 : 27,047.28 = 11,105.49 : x
  2. Step 2: Convert to fraction form
    19,604.22/27,047.28 = 11,105.49/x
  3. Step 3: Cross multiply
    19,604.22x = 27,047.28 × 11,105.49
  4. Step 4: Simplify right side
    19,604.22x = 300,373,297.57
  5. Step 5: Solve for x
    x = 300,373,297.57/19,604.22
  6. Step 6: Final answer
    x = 15,321.87

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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.