Home / 18,662.28-25,754.25-10,164.56

Finding the Fourth Proportional to 18,662.28, 25,754.25 and 10,164.56

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Solution

The fourth proportional to 18,662.28, 25,754.25 and 10,164.56 is: 14,027.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,662.28 : 25,754.25 = 10,164.56 : x
  2. Step 2: Convert to fraction form
    18,662.28/25,754.25 = 10,164.56/x
  3. Step 3: Cross multiply
    18,662.28x = 25,754.25 × 10,164.56
  4. Step 4: Simplify right side
    18,662.28x = 261,780,673.53
  5. Step 5: Solve for x
    x = 261,780,673.53/18,662.28
  6. Step 6: Final answer
    x = 14,027.26

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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.