Home / 11,318.88-15,614.46-6,839.58

Finding the Fourth Proportional to 11,318.88, 15,614.46 and 6,839.58

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Solution

The fourth proportional to 11,318.88, 15,614.46 and 6,839.58 is: 9,435.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,318.88 : 15,614.46 = 6,839.58 : x
  2. Step 2: Convert to fraction form
    11,318.88/15,614.46 = 6,839.58/x
  3. Step 3: Cross multiply
    11,318.88x = 15,614.46 × 6,839.58
  4. Step 4: Simplify right side
    11,318.88x = 106,796,348.33
  5. Step 5: Solve for x
    x = 106,796,348.33/11,318.88
  6. Step 6: Final answer
    x = 9,435.24

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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.