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Finding the Fourth Proportional to 8,669.11, 13,025.06 and 5,550.47

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Solution

The fourth proportional to 8,669.11, 13,025.06 and 5,550.47 is: 8,339.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669.11 : 13,025.06 = 5,550.47 : x
  2. Step 2: Convert to fraction form
    8,669.11/13,025.06 = 5,550.47/x
  3. Step 3: Cross multiply
    8,669.11x = 13,025.06 × 5,550.47
  4. Step 4: Simplify right side
    8,669.11x = 72,295,177.03
  5. Step 5: Solve for x
    x = 72,295,177.03/8,669.11
  6. Step 6: Final answer
    x = 8,339.40

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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.