Home / 18,243.30-25,177.05-10,286.27

Finding the Fourth Proportional to 18,243.30, 25,177.05 and 10,286.27

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Solution

The fourth proportional to 18,243.30, 25,177.05 and 10,286.27 is: 14,195.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,243.30 : 25,177.05 = 10,286.27 : x
  2. Step 2: Convert to fraction form
    18,243.30/25,177.05 = 10,286.27/x
  3. Step 3: Cross multiply
    18,243.30x = 25,177.05 × 10,286.27
  4. Step 4: Simplify right side
    18,243.30x = 258,977,808.22
  5. Step 5: Solve for x
    x = 258,977,808.22/18,243.30
  6. Step 6: Final answer
    x = 14,195.78

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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.