Home / 18,356.44-27,515.80-7,258.60

Finding the Fourth Proportional to 18,356.44, 27,515.80 and 7,258.60

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Solution

The fourth proportional to 18,356.44, 27,515.80 and 7,258.60 is: 10,880.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,356.44 : 27,515.80 = 7,258.60 : x
  2. Step 2: Convert to fraction form
    18,356.44/27,515.80 = 7,258.60/x
  3. Step 3: Cross multiply
    18,356.44x = 27,515.80 × 7,258.60
  4. Step 4: Simplify right side
    18,356.44x = 199,726,185.88
  5. Step 5: Solve for x
    x = 199,726,185.88/18,356.44
  6. Step 6: Final answer
    x = 10,880.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.