Home / 13,467.77-20,195.73-4,105.59

Finding the Fourth Proportional to 13,467.77, 20,195.73 and 4,105.59

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Solution

The fourth proportional to 13,467.77, 20,195.73 and 4,105.59 is: 6,156.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,467.77 : 20,195.73 = 4,105.59 : x
  2. Step 2: Convert to fraction form
    13,467.77/20,195.73 = 4,105.59/x
  3. Step 3: Cross multiply
    13,467.77x = 20,195.73 × 4,105.59
  4. Step 4: Simplify right side
    13,467.77x = 82,915,311.40
  5. Step 5: Solve for x
    x = 82,915,311.40/13,467.77
  6. Step 6: Final answer
    x = 6,156.57

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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.