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Finding the Fourth Proportional to 8,963.62, 12,348.39 and 6,269.81

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Solution

The fourth proportional to 8,963.62, 12,348.39 and 6,269.81 is: 8,637.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.62 : 12,348.39 = 6,269.81 : x
  2. Step 2: Convert to fraction form
    8,963.62/12,348.39 = 6,269.81/x
  3. Step 3: Cross multiply
    8,963.62x = 12,348.39 × 6,269.81
  4. Step 4: Simplify right side
    8,963.62x = 77,422,104.23
  5. Step 5: Solve for x
    x = 77,422,104.23/8,963.62
  6. Step 6: Final answer
    x = 8,637.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.