Home / 10,156.05-15,232.32-2,759.54

Finding the Fourth Proportional to 10,156.05, 15,232.32 and 2,759.54

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Solution

The fourth proportional to 10,156.05, 15,232.32 and 2,759.54 is: 4,138.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,156.05 : 15,232.32 = 2,759.54 : x
  2. Step 2: Convert to fraction form
    10,156.05/15,232.32 = 2,759.54/x
  3. Step 3: Cross multiply
    10,156.05x = 15,232.32 × 2,759.54
  4. Step 4: Simplify right side
    10,156.05x = 42,034,120.17
  5. Step 5: Solve for x
    x = 42,034,120.17/10,156.05
  6. Step 6: Final answer
    x = 4,138.83

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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.