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Finding the Fourth Proportional to 8,942.48, 13,494.14 and 8,633.60

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Solution

The fourth proportional to 8,942.48, 13,494.14 and 8,633.60 is: 13,028.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,942.48 : 13,494.14 = 8,633.60 : x
  2. Step 2: Convert to fraction form
    8,942.48/13,494.14 = 8,633.60/x
  3. Step 3: Cross multiply
    8,942.48x = 13,494.14 × 8,633.60
  4. Step 4: Simplify right side
    8,942.48x = 116,503,007.10
  5. Step 5: Solve for x
    x = 116,503,007.10/8,942.48
  6. Step 6: Final answer
    x = 13,028.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.