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Finding the Fourth Proportional to 12,873.96, 19,315.08 and 5,484.74

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Solution

The fourth proportional to 12,873.96, 19,315.08 and 5,484.74 is: 8,228.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,873.96 : 19,315.08 = 5,484.74 : x
  2. Step 2: Convert to fraction form
    12,873.96/19,315.08 = 5,484.74/x
  3. Step 3: Cross multiply
    12,873.96x = 19,315.08 × 5,484.74
  4. Step 4: Simplify right side
    12,873.96x = 105,938,095.30
  5. Step 5: Solve for x
    x = 105,938,095.30/12,873.96
  6. Step 6: Final answer
    x = 8,228.87

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