Home / 18,614.06-25,691.46-11,450.14

Finding the Fourth Proportional to 18,614.06, 25,691.46 and 11,450.14

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Solution

The fourth proportional to 18,614.06, 25,691.46 and 11,450.14 is: 15,803.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,614.06 : 25,691.46 = 11,450.14 : x
  2. Step 2: Convert to fraction form
    18,614.06/25,691.46 = 11,450.14/x
  3. Step 3: Cross multiply
    18,614.06x = 25,691.46 × 11,450.14
  4. Step 4: Simplify right side
    18,614.06x = 294,170,813.80
  5. Step 5: Solve for x
    x = 294,170,813.80/18,614.06
  6. Step 6: Final answer
    x = 15,803.69

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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.