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Finding the Fourth Proportional to 11,261.93, 16,890.32 and 4,242.67

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Solution

The fourth proportional to 11,261.93, 16,890.32 and 4,242.67 is: 6,363.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.93 : 16,890.32 = 4,242.67 : x
  2. Step 2: Convert to fraction form
    11,261.93/16,890.32 = 4,242.67/x
  3. Step 3: Cross multiply
    11,261.93x = 16,890.32 × 4,242.67
  4. Step 4: Simplify right side
    11,261.93x = 71,660,053.95
  5. Step 5: Solve for x
    x = 71,660,053.95/11,261.93
  6. Step 6: Final answer
    x = 6,363.03

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