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Finding the Fourth Proportional to 19,312.63, 28,962.79 and 6,161.96

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Solution

The fourth proportional to 19,312.63, 28,962.79 and 6,161.96 is: 9,240.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,312.63 : 28,962.79 = 6,161.96 : x
  2. Step 2: Convert to fraction form
    19,312.63/28,962.79 = 6,161.96/x
  3. Step 3: Cross multiply
    19,312.63x = 28,962.79 × 6,161.96
  4. Step 4: Simplify right side
    19,312.63x = 178,467,553.47
  5. Step 5: Solve for x
    x = 178,467,553.47/19,312.63
  6. Step 6: Final answer
    x = 9,240.98

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