Home / 11,154.86-16,734.41-3,759.47

Finding the Fourth Proportional to 11,154.86, 16,734.41 and 3,759.47

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Solution

The fourth proportional to 11,154.86, 16,734.41 and 3,759.47 is: 5,639.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,154.86 : 16,734.41 = 3,759.47 : x
  2. Step 2: Convert to fraction form
    11,154.86/16,734.41 = 3,759.47/x
  3. Step 3: Cross multiply
    11,154.86x = 16,734.41 × 3,759.47
  4. Step 4: Simplify right side
    11,154.86x = 62,912,512.36
  5. Step 5: Solve for x
    x = 62,912,512.36/11,154.86
  6. Step 6: Final answer
    x = 5,639.92

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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.