Home / 18,660.41-25,749.66-11,105.52

Finding the Fourth Proportional to 18,660.41, 25,749.66 and 11,105.52

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Solution

The fourth proportional to 18,660.41, 25,749.66 and 11,105.52 is: 15,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,660.41 : 25,749.66 = 11,105.52 : x
  2. Step 2: Convert to fraction form
    18,660.41/25,749.66 = 11,105.52/x
  3. Step 3: Cross multiply
    18,660.41x = 25,749.66 × 11,105.52
  4. Step 4: Simplify right side
    18,660.41x = 285,963,316.15
  5. Step 5: Solve for x
    x = 285,963,316.15/18,660.41
  6. Step 6: Final answer
    x = 15,324.60

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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.