Home / 10,976.82-15,143.79-6,258.60

Finding the Fourth Proportional to 10,976.82, 15,143.79 and 6,258.60

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Solution

The fourth proportional to 10,976.82, 15,143.79 and 6,258.60 is: 8,634.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,976.82 : 15,143.79 = 6,258.60 : x
  2. Step 2: Convert to fraction form
    10,976.82/15,143.79 = 6,258.60/x
  3. Step 3: Cross multiply
    10,976.82x = 15,143.79 × 6,258.60
  4. Step 4: Simplify right side
    10,976.82x = 94,778,924.09
  5. Step 5: Solve for x
    x = 94,778,924.09/10,976.82
  6. Step 6: Final answer
    x = 8,634.46

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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.