Home / 13,928.70-20,892.83-5,608.52

Finding the Fourth Proportional to 13,928.70, 20,892.83 and 5,608.52

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Solution

The fourth proportional to 13,928.70, 20,892.83 and 5,608.52 is: 8,412.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,928.70 : 20,892.83 = 5,608.52 : x
  2. Step 2: Convert to fraction form
    13,928.70/20,892.83 = 5,608.52/x
  3. Step 3: Cross multiply
    13,928.70x = 20,892.83 × 5,608.52
  4. Step 4: Simplify right side
    13,928.70x = 117,177,751.85
  5. Step 5: Solve for x
    x = 117,177,751.85/13,928.70
  6. Step 6: Final answer
    x = 8,412.69

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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.