Home / 11,348.11-15,660.39-6,380.11

Finding the Fourth Proportional to 11,348.11, 15,660.39 and 6,380.11

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Solution

The fourth proportional to 11,348.11, 15,660.39 and 6,380.11 is: 8,804.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,348.11 : 15,660.39 = 6,380.11 : x
  2. Step 2: Convert to fraction form
    11,348.11/15,660.39 = 6,380.11/x
  3. Step 3: Cross multiply
    11,348.11x = 15,660.39 × 6,380.11
  4. Step 4: Simplify right side
    11,348.11x = 99,915,010.84
  5. Step 5: Solve for x
    x = 99,915,010.84/11,348.11
  6. Step 6: Final answer
    x = 8,804.55

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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.