Home / 11,197.33-15,453.90-6,418.75

Finding the Fourth Proportional to 11,197.33, 15,453.90 and 6,418.75

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Solution

The fourth proportional to 11,197.33, 15,453.90 and 6,418.75 is: 8,858.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,197.33 : 15,453.90 = 6,418.75 : x
  2. Step 2: Convert to fraction form
    11,197.33/15,453.90 = 6,418.75/x
  3. Step 3: Cross multiply
    11,197.33x = 15,453.90 × 6,418.75
  4. Step 4: Simplify right side
    11,197.33x = 99,194,720.63
  5. Step 5: Solve for x
    x = 99,194,720.63/11,197.33
  6. Step 6: Final answer
    x = 8,858.78

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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.