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Finding the Fourth Proportional to 8,682.62, 13,016.15 and 5,563.52

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Solution

The fourth proportional to 8,682.62, 13,016.15 and 5,563.52 is: 8,340.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.62 : 13,016.15 = 5,563.52 : x
  2. Step 2: Convert to fraction form
    8,682.62/13,016.15 = 5,563.52/x
  3. Step 3: Cross multiply
    8,682.62x = 13,016.15 × 5,563.52
  4. Step 4: Simplify right side
    8,682.62x = 72,415,664.05
  5. Step 5: Solve for x
    x = 72,415,664.05/8,682.62
  6. Step 6: Final answer
    x = 8,340.30

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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.