Home / 11,780.94-17,671.41-3,015.85

Finding the Fourth Proportional to 11,780.94, 17,671.41 and 3,015.85

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Solution

The fourth proportional to 11,780.94, 17,671.41 and 3,015.85 is: 4,523.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780.94 : 17,671.41 = 3,015.85 : x
  2. Step 2: Convert to fraction form
    11,780.94/17,671.41 = 3,015.85/x
  3. Step 3: Cross multiply
    11,780.94x = 17,671.41 × 3,015.85
  4. Step 4: Simplify right side
    11,780.94x = 53,294,306.77
  5. Step 5: Solve for x
    x = 53,294,306.77/11,780.94
  6. Step 6: Final answer
    x = 4,523.77

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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.