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Finding the Fourth Proportional to 8,883.36, 12,282.41 and 8,743.03

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Solution

The fourth proportional to 8,883.36, 12,282.41 and 8,743.03 is: 12,088.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,883.36 : 12,282.41 = 8,743.03 : x
  2. Step 2: Convert to fraction form
    8,883.36/12,282.41 = 8,743.03/x
  3. Step 3: Cross multiply
    8,883.36x = 12,282.41 × 8,743.03
  4. Step 4: Simplify right side
    8,883.36x = 107,385,470.25
  5. Step 5: Solve for x
    x = 107,385,470.25/8,883.36
  6. Step 6: Final answer
    x = 12,088.38

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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.