Home / 13,968.92-20,944.62-5,196.62

Finding the Fourth Proportional to 13,968.92, 20,944.62 and 5,196.62

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Solution

The fourth proportional to 13,968.92, 20,944.62 and 5,196.62 is: 7,791.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,968.92 : 20,944.62 = 5,196.62 : x
  2. Step 2: Convert to fraction form
    13,968.92/20,944.62 = 5,196.62/x
  3. Step 3: Cross multiply
    13,968.92x = 20,944.62 × 5,196.62
  4. Step 4: Simplify right side
    13,968.92x = 108,841,231.18
  5. Step 5: Solve for x
    x = 108,841,231.18/13,968.92
  6. Step 6: Final answer
    x = 7,791.67

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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.