Home / 18,496.13-27,751.18-11,105.74

Finding the Fourth Proportional to 18,496.13, 27,751.18 and 11,105.74

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Solution

The fourth proportional to 18,496.13, 27,751.18 and 11,105.74 is: 16,662.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,496.13 : 27,751.18 = 11,105.74 : x
  2. Step 2: Convert to fraction form
    18,496.13/27,751.18 = 11,105.74/x
  3. Step 3: Cross multiply
    18,496.13x = 27,751.18 × 11,105.74
  4. Step 4: Simplify right side
    18,496.13x = 308,197,334.24
  5. Step 5: Solve for x
    x = 308,197,334.24/18,496.13
  6. Step 6: Final answer
    x = 16,662.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.