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Finding the Fourth Proportional to 18,263.44, 25,203.49 and 9,879.94

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Solution

The fourth proportional to 18,263.44, 25,203.49 and 9,879.94 is: 13,634.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,263.44 : 25,203.49 = 9,879.94 : x
  2. Step 2: Convert to fraction form
    18,263.44/25,203.49 = 9,879.94/x
  3. Step 3: Cross multiply
    18,263.44x = 25,203.49 × 9,879.94
  4. Step 4: Simplify right side
    18,263.44x = 249,008,968.99
  5. Step 5: Solve for x
    x = 249,008,968.99/18,263.44
  6. Step 6: Final answer
    x = 13,634.29

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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.