Home / 11,418.68-15,757.67-6,383.11

Finding the Fourth Proportional to 11,418.68, 15,757.67 and 6,383.11

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Solution

The fourth proportional to 11,418.68, 15,757.67 and 6,383.11 is: 8,808.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418.68 : 15,757.67 = 6,383.11 : x
  2. Step 2: Convert to fraction form
    11,418.68/15,757.67 = 6,383.11/x
  3. Step 3: Cross multiply
    11,418.68x = 15,757.67 × 6,383.11
  4. Step 4: Simplify right side
    11,418.68x = 100,582,940.95
  5. Step 5: Solve for x
    x = 100,582,940.95/11,418.68
  6. Step 6: Final answer
    x = 8,808.63

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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.