Home / 13,952.35-20,928.71-4,091.83

Finding the Fourth Proportional to 13,952.35, 20,928.71 and 4,091.83

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Solution

The fourth proportional to 13,952.35, 20,928.71 and 4,091.83 is: 6,137.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,952.35 : 20,928.71 = 4,091.83 : x
  2. Step 2: Convert to fraction form
    13,952.35/20,928.71 = 4,091.83/x
  3. Step 3: Cross multiply
    13,952.35x = 20,928.71 × 4,091.83
  4. Step 4: Simplify right side
    13,952.35x = 85,636,650.66
  5. Step 5: Solve for x
    x = 85,636,650.66/13,952.35
  6. Step 6: Final answer
    x = 6,137.80

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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.