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Finding the Fourth Proportional to 12,515.61, 17,271.72 and 6,926.61

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Solution

The fourth proportional to 12,515.61, 17,271.72 and 6,926.61 is: 9,558.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,515.61 : 17,271.72 = 6,926.61 : x
  2. Step 2: Convert to fraction form
    12,515.61/17,271.72 = 6,926.61/x
  3. Step 3: Cross multiply
    12,515.61x = 17,271.72 × 6,926.61
  4. Step 4: Simplify right side
    12,515.61x = 119,634,468.47
  5. Step 5: Solve for x
    x = 119,634,468.47/12,515.61
  6. Step 6: Final answer
    x = 9,558.82

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