Home / 18,116.81-25,001.46-10,945.73

Finding the Fourth Proportional to 18,116.81, 25,001.46 and 10,945.73

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Solution

The fourth proportional to 18,116.81, 25,001.46 and 10,945.73 is: 15,105.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116.81 : 25,001.46 = 10,945.73 : x
  2. Step 2: Convert to fraction form
    18,116.81/25,001.46 = 10,945.73/x
  3. Step 3: Cross multiply
    18,116.81x = 25,001.46 × 10,945.73
  4. Step 4: Simplify right side
    18,116.81x = 273,659,293.27
  5. Step 5: Solve for x
    x = 273,659,293.27/18,116.81
  6. Step 6: Final answer
    x = 15,105.27

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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.