Home / 18,296.36-25,249.01-9,912.86

Finding the Fourth Proportional to 18,296.36, 25,249.01 and 9,912.86

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Solution

The fourth proportional to 18,296.36, 25,249.01 and 9,912.86 is: 13,679.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,296.36 : 25,249.01 = 9,912.86 : x
  2. Step 2: Convert to fraction form
    18,296.36/25,249.01 = 9,912.86/x
  3. Step 3: Cross multiply
    18,296.36x = 25,249.01 × 9,912.86
  4. Step 4: Simplify right side
    18,296.36x = 250,289,901.27
  5. Step 5: Solve for x
    x = 250,289,901.27/18,296.36
  6. Step 6: Final answer
    x = 13,679.76

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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.