Home / 18,540.12-25,585.48-10,156.62

Finding the Fourth Proportional to 18,540.12, 25,585.48 and 10,156.62

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Solution

The fourth proportional to 18,540.12, 25,585.48 and 10,156.62 is: 14,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540.12 : 25,585.48 = 10,156.62 : x
  2. Step 2: Convert to fraction form
    18,540.12/25,585.48 = 10,156.62/x
  3. Step 3: Cross multiply
    18,540.12x = 25,585.48 × 10,156.62
  4. Step 4: Simplify right side
    18,540.12x = 259,861,997.88
  5. Step 5: Solve for x
    x = 259,861,997.88/18,540.12
  6. Step 6: Final answer
    x = 14,016.20

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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.