Home / 18,245.36-25,179.32-10,287.42

Finding the Fourth Proportional to 18,245.36, 25,179.32 and 10,287.42

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Solution

The fourth proportional to 18,245.36, 25,179.32 and 10,287.42 is: 14,197.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,245.36 : 25,179.32 = 10,287.42 : x
  2. Step 2: Convert to fraction form
    18,245.36/25,179.32 = 10,287.42/x
  3. Step 3: Cross multiply
    18,245.36x = 25,179.32 × 10,287.42
  4. Step 4: Simplify right side
    18,245.36x = 259,030,188.72
  5. Step 5: Solve for x
    x = 259,030,188.72/18,245.36
  6. Step 6: Final answer
    x = 14,197.04

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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.