Home / 18,207.60-25,125.42-10,249.50

Finding the Fourth Proportional to 18,207.60, 25,125.42 and 10,249.50

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Solution

The fourth proportional to 18,207.60, 25,125.42 and 10,249.50 is: 14,143.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,207.60 : 25,125.42 = 10,249.50 : x
  2. Step 2: Convert to fraction form
    18,207.60/25,125.42 = 10,249.50/x
  3. Step 3: Cross multiply
    18,207.60x = 25,125.42 × 10,249.50
  4. Step 4: Simplify right side
    18,207.60x = 257,522,992.29
  5. Step 5: Solve for x
    x = 257,522,992.29/18,207.60
  6. Step 6: Final answer
    x = 14,143.71

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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.