Home / 11,758.89-16,227.12-6,453.75

Finding the Fourth Proportional to 11,758.89, 16,227.12 and 6,453.75

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Solution

The fourth proportional to 11,758.89, 16,227.12 and 6,453.75 is: 8,906.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,758.89 : 16,227.12 = 6,453.75 : x
  2. Step 2: Convert to fraction form
    11,758.89/16,227.12 = 6,453.75/x
  3. Step 3: Cross multiply
    11,758.89x = 16,227.12 × 6,453.75
  4. Step 4: Simplify right side
    11,758.89x = 104,725,775.70
  5. Step 5: Solve for x
    x = 104,725,775.70/11,758.89
  6. Step 6: Final answer
    x = 8,906.09

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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.