Home / 18,314.12-25,275.34-11,144.54

Finding the Fourth Proportional to 18,314.12, 25,275.34 and 11,144.54

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Solution

The fourth proportional to 18,314.12, 25,275.34 and 11,144.54 is: 15,380.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,314.12 : 25,275.34 = 11,144.54 : x
  2. Step 2: Convert to fraction form
    18,314.12/25,275.34 = 11,144.54/x
  3. Step 3: Cross multiply
    18,314.12x = 25,275.34 × 11,144.54
  4. Step 4: Simplify right side
    18,314.12x = 281,682,037.64
  5. Step 5: Solve for x
    x = 281,682,037.64/18,314.12
  6. Step 6: Final answer
    x = 15,380.59

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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.