Home / 11,775.05-16,249.50-6,397.37

Finding the Fourth Proportional to 11,775.05, 16,249.50 and 6,397.37

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Solution

The fourth proportional to 11,775.05, 16,249.50 and 6,397.37 is: 8,828.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,775.05 : 16,249.50 = 6,397.37 : x
  2. Step 2: Convert to fraction form
    11,775.05/16,249.50 = 6,397.37/x
  3. Step 3: Cross multiply
    11,775.05x = 16,249.50 × 6,397.37
  4. Step 4: Simplify right side
    11,775.05x = 103,953,982.57
  5. Step 5: Solve for x
    x = 103,953,982.57/11,775.05
  6. Step 6: Final answer
    x = 8,828.33

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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.