Home / 11,388.73-15,716.48-6,353.28

Finding the Fourth Proportional to 11,388.73, 15,716.48 and 6,353.28

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Solution

The fourth proportional to 11,388.73, 15,716.48 and 6,353.28 is: 8,767.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,388.73 : 15,716.48 = 6,353.28 : x
  2. Step 2: Convert to fraction form
    11,388.73/15,716.48 = 6,353.28/x
  3. Step 3: Cross multiply
    11,388.73x = 15,716.48 × 6,353.28
  4. Step 4: Simplify right side
    11,388.73x = 99,851,198.05
  5. Step 5: Solve for x
    x = 99,851,198.05/11,388.73
  6. Step 6: Final answer
    x = 8,767.54

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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.