Home / 18,414.37-25,410.70-10,861.03

Finding the Fourth Proportional to 18,414.37, 25,410.70 and 10,861.03

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Solution

The fourth proportional to 18,414.37, 25,410.70 and 10,861.03 is: 14,987.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,414.37 : 25,410.70 = 10,861.03 : x
  2. Step 2: Convert to fraction form
    18,414.37/25,410.70 = 10,861.03/x
  3. Step 3: Cross multiply
    18,414.37x = 25,410.70 × 10,861.03
  4. Step 4: Simplify right side
    18,414.37x = 275,986,375.02
  5. Step 5: Solve for x
    x = 275,986,375.02/18,414.37
  6. Step 6: Final answer
    x = 14,987.55

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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.