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Finding the Fourth Proportional to 8,954.03, 13,365.32 and 8,294.28

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Solution

The fourth proportional to 8,954.03, 13,365.32 and 8,294.28 is: 12,380.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,954.03 : 13,365.32 = 8,294.28 : x
  2. Step 2: Convert to fraction form
    8,954.03/13,365.32 = 8,294.28/x
  3. Step 3: Cross multiply
    8,954.03x = 13,365.32 × 8,294.28
  4. Step 4: Simplify right side
    8,954.03x = 110,855,664.90
  5. Step 5: Solve for x
    x = 110,855,664.90/8,954.03
  6. Step 6: Final answer
    x = 12,380.54

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1.5x scale

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.