Home / 11,555.05-15,945.93-6,249.87

Finding the Fourth Proportional to 11,555.05, 15,945.93 and 6,249.87

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Solution

The fourth proportional to 11,555.05, 15,945.93 and 6,249.87 is: 8,624.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555.05 : 15,945.93 = 6,249.87 : x
  2. Step 2: Convert to fraction form
    11,555.05/15,945.93 = 6,249.87/x
  3. Step 3: Cross multiply
    11,555.05x = 15,945.93 × 6,249.87
  4. Step 4: Simplify right side
    11,555.05x = 99,659,884.68
  5. Step 5: Solve for x
    x = 99,659,884.68/11,555.05
  6. Step 6: Final answer
    x = 8,624.79

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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.