Home / 10,286.82-15,427.80-4,736.70

Finding the Fourth Proportional to 10,286.82, 15,427.80 and 4,736.70

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Solution

The fourth proportional to 10,286.82, 15,427.80 and 4,736.70 is: 7,103.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.82 : 15,427.80 = 4,736.70 : x
  2. Step 2: Convert to fraction form
    10,286.82/15,427.80 = 4,736.70/x
  3. Step 3: Cross multiply
    10,286.82x = 15,427.80 × 4,736.70
  4. Step 4: Simplify right side
    10,286.82x = 73,076,860.26
  5. Step 5: Solve for x
    x = 73,076,860.26/10,286.82
  6. Step 6: Final answer
    x = 7,103.93

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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.