Home / 10,367.80-15,540.62-5,915.87

Finding the Fourth Proportional to 10,367.80, 15,540.62 and 5,915.87

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Solution

The fourth proportional to 10,367.80, 15,540.62 and 5,915.87 is: 8,867.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.80 : 15,540.62 = 5,915.87 : x
  2. Step 2: Convert to fraction form
    10,367.80/15,540.62 = 5,915.87/x
  3. Step 3: Cross multiply
    10,367.80x = 15,540.62 × 5,915.87
  4. Step 4: Simplify right side
    10,367.80x = 91,936,258.06
  5. Step 5: Solve for x
    x = 91,936,258.06/10,367.80
  6. Step 6: Final answer
    x = 8,867.48

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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.