Home / 18,132.35-25,022.57-10,174.41

Finding the Fourth Proportional to 18,132.35, 25,022.57 and 10,174.41

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Solution

The fourth proportional to 18,132.35, 25,022.57 and 10,174.41 is: 14,040.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,132.35 : 25,022.57 = 10,174.41 : x
  2. Step 2: Convert to fraction form
    18,132.35/25,022.57 = 10,174.41/x
  3. Step 3: Cross multiply
    18,132.35x = 25,022.57 × 10,174.41
  4. Step 4: Simplify right side
    18,132.35x = 254,589,835.56
  5. Step 5: Solve for x
    x = 254,589,835.56/18,132.35
  6. Step 6: Final answer
    x = 14,040.65

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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.