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Finding the Fourth Proportional to 13,732.32, 20,601.48 and 4,966.32

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Solution

The fourth proportional to 13,732.32, 20,601.48 and 4,966.32 is: 7,450.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,732.32 : 20,601.48 = 4,966.32 : x
  2. Step 2: Convert to fraction form
    13,732.32/20,601.48 = 4,966.32/x
  3. Step 3: Cross multiply
    13,732.32x = 20,601.48 × 4,966.32
  4. Step 4: Simplify right side
    13,732.32x = 102,313,542.15
  5. Step 5: Solve for x
    x = 102,313,542.15/13,732.32
  6. Step 6: Final answer
    x = 7,450.56

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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.