Home / 13,928.97-20,896.83-4,068.30

Finding the Fourth Proportional to 13,928.97, 20,896.83 and 4,068.30

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Solution

The fourth proportional to 13,928.97, 20,896.83 and 4,068.30 is: 6,103.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,928.97 : 20,896.83 = 4,068.30 : x
  2. Step 2: Convert to fraction form
    13,928.97/20,896.83 = 4,068.30/x
  3. Step 3: Cross multiply
    13,928.97x = 20,896.83 × 4,068.30
  4. Step 4: Simplify right side
    13,928.97x = 85,014,573.49
  5. Step 5: Solve for x
    x = 85,014,573.49/13,928.97
  6. Step 6: Final answer
    x = 6,103.44

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1.5x scale

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.