Home / 11,177.66-15,425.46-6,142

Finding the Fourth Proportional to 11,177.66, 15,425.46 and 6,142

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Solution

The fourth proportional to 11,177.66, 15,425.46 and 6,142 is: 8,476.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.66 : 15,425.46 = 6,142 : x
  2. Step 2: Convert to fraction form
    11,177.66/15,425.46 = 6,142/x
  3. Step 3: Cross multiply
    11,177.66x = 15,425.46 × 6,142
  4. Step 4: Simplify right side
    11,177.66x = 94,743,175.32
  5. Step 5: Solve for x
    x = 94,743,175.32/11,177.66
  6. Step 6: Final answer
    x = 8,476.12

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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.