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Finding the Fourth Proportional to 15,953.76, 23,930.64 and 7,630.20

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Solution

The fourth proportional to 15,953.76, 23,930.64 and 7,630.20 is: 11,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,953.76 : 23,930.64 = 7,630.20 : x
  2. Step 2: Convert to fraction form
    15,953.76/23,930.64 = 7,630.20/x
  3. Step 3: Cross multiply
    15,953.76x = 23,930.64 × 7,630.20
  4. Step 4: Simplify right side
    15,953.76x = 182,595,569.33
  5. Step 5: Solve for x
    x = 182,595,569.33/15,953.76
  6. Step 6: Final answer
    x = 11,445.30

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