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Finding the Fourth Proportional to 16,681.48, 25,031.94 and 6,819.28

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Solution

The fourth proportional to 16,681.48, 25,031.94 and 6,819.28 is: 10,232.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,681.48 : 25,031.94 = 6,819.28 : x
  2. Step 2: Convert to fraction form
    16,681.48/25,031.94 = 6,819.28/x
  3. Step 3: Cross multiply
    16,681.48x = 25,031.94 × 6,819.28
  4. Step 4: Simplify right side
    16,681.48x = 170,699,807.80
  5. Step 5: Solve for x
    x = 170,699,807.80/16,681.48
  6. Step 6: Final answer
    x = 10,232.89

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