Home / 13,834.28-20,747.36-5,511.53

Finding the Fourth Proportional to 13,834.28, 20,747.36 and 5,511.53

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Solution

The fourth proportional to 13,834.28, 20,747.36 and 5,511.53 is: 8,265.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,834.28 : 20,747.36 = 5,511.53 : x
  2. Step 2: Convert to fraction form
    13,834.28/20,747.36 = 5,511.53/x
  3. Step 3: Cross multiply
    13,834.28x = 20,747.36 × 5,511.53
  4. Step 4: Simplify right side
    13,834.28x = 114,349,593.32
  5. Step 5: Solve for x
    x = 114,349,593.32/13,834.28
  6. Step 6: Final answer
    x = 8,265.67

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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.