Home / 13,928.69-20,893.14-4,074.84

Finding the Fourth Proportional to 13,928.69, 20,893.14 and 4,074.84

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Solution

The fourth proportional to 13,928.69, 20,893.14 and 4,074.84 is: 6,112.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,928.69 : 20,893.14 = 4,074.84 : x
  2. Step 2: Convert to fraction form
    13,928.69/20,893.14 = 4,074.84/x
  3. Step 3: Cross multiply
    13,928.69x = 20,893.14 × 4,074.84
  4. Step 4: Simplify right side
    13,928.69x = 85,136,202.60
  5. Step 5: Solve for x
    x = 85,136,202.60/13,928.69
  6. Step 6: Final answer
    x = 6,112.29

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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.