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Finding the Fourth Proportional to 15,312.78, 22,972.82 and 5,953.03

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Solution

The fourth proportional to 15,312.78, 22,972.82 and 5,953.03 is: 8,930.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,312.78 : 22,972.82 = 5,953.03 : x
  2. Step 2: Convert to fraction form
    15,312.78/22,972.82 = 5,953.03/x
  3. Step 3: Cross multiply
    15,312.78x = 22,972.82 × 5,953.03
  4. Step 4: Simplify right side
    15,312.78x = 136,757,799.45
  5. Step 5: Solve for x
    x = 136,757,799.45/15,312.78
  6. Step 6: Final answer
    x = 8,930.96

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