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Finding the Fourth Proportional to 8,956, 13,368.26 and 8,296.25

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Solution

The fourth proportional to 8,956, 13,368.26 and 8,296.25 is: 12,383.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,956 : 13,368.26 = 8,296.25 : x
  2. Step 2: Convert to fraction form
    8,956/13,368.26 = 8,296.25/x
  3. Step 3: Cross multiply
    8,956x = 13,368.26 × 8,296.25
  4. Step 4: Simplify right side
    8,956x = 110,906,427.03
  5. Step 5: Solve for x
    x = 110,906,427.03/8,956
  6. Step 6: Final answer
    x = 12,383.48

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.