Home / 10,196.05-15,289.75-3,954.90

Finding the Fourth Proportional to 10,196.05, 15,289.75 and 3,954.90

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Solution

The fourth proportional to 10,196.05, 15,289.75 and 3,954.90 is: 5,930.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,196.05 : 15,289.75 = 3,954.90 : x
  2. Step 2: Convert to fraction form
    10,196.05/15,289.75 = 3,954.90/x
  3. Step 3: Cross multiply
    10,196.05x = 15,289.75 × 3,954.90
  4. Step 4: Simplify right side
    10,196.05x = 60,469,445.99
  5. Step 5: Solve for x
    x = 60,469,445.99/10,196.05
  6. Step 6: Final answer
    x = 5,930.67

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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.