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Finding the Fourth Proportional to 13,363.52, 20,048.48 and 4,129.52

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Solution

The fourth proportional to 13,363.52, 20,048.48 and 4,129.52 is: 6,195.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.52 : 20,048.48 = 4,129.52 : x
  2. Step 2: Convert to fraction form
    13,363.52/20,048.48 = 4,129.52/x
  3. Step 3: Cross multiply
    13,363.52x = 20,048.48 × 4,129.52
  4. Step 4: Simplify right side
    13,363.52x = 82,790,599.13
  5. Step 5: Solve for x
    x = 82,790,599.13/13,363.52
  6. Step 6: Final answer
    x = 6,195.27

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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.