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Finding the Fourth Proportional to 8,100.84, 12,169.62 and 6,993.66

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Solution

The fourth proportional to 8,100.84, 12,169.62 and 6,993.66 is: 10,506.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100.84 : 12,169.62 = 6,993.66 : x
  2. Step 2: Convert to fraction form
    8,100.84/12,169.62 = 6,993.66/x
  3. Step 3: Cross multiply
    8,100.84x = 12,169.62 × 6,993.66
  4. Step 4: Simplify right side
    8,100.84x = 85,110,184.61
  5. Step 5: Solve for x
    x = 85,110,184.61/8,100.84
  6. Step 6: Final answer
    x = 10,506.34

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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.