Home / 10,112.58-15,173.19-3,539.43

Finding the Fourth Proportional to 10,112.58, 15,173.19 and 3,539.43

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Solution

The fourth proportional to 10,112.58, 15,173.19 and 3,539.43 is: 5,310.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,112.58 : 15,173.19 = 3,539.43 : x
  2. Step 2: Convert to fraction form
    10,112.58/15,173.19 = 3,539.43/x
  3. Step 3: Cross multiply
    10,112.58x = 15,173.19 × 3,539.43
  4. Step 4: Simplify right side
    10,112.58x = 53,704,443.88
  5. Step 5: Solve for x
    x = 53,704,443.88/10,112.58
  6. Step 6: Final answer
    x = 5,310.66

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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.