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Finding the Fourth Proportional to 13,092.36, 18,074.14 and 8,865.76

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Solution

The fourth proportional to 13,092.36, 18,074.14 and 8,865.76 is: 12,239.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,092.36 : 18,074.14 = 8,865.76 : x
  2. Step 2: Convert to fraction form
    13,092.36/18,074.14 = 8,865.76/x
  3. Step 3: Cross multiply
    13,092.36x = 18,074.14 × 8,865.76
  4. Step 4: Simplify right side
    13,092.36x = 160,240,987.45
  5. Step 5: Solve for x
    x = 160,240,987.45/13,092.36
  6. Step 6: Final answer
    x = 12,239.27

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