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Finding the Fourth Proportional to 13,853.84, 19,118.76 and 7,566.80

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Solution

The fourth proportional to 13,853.84, 19,118.76 and 7,566.80 is: 10,442.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853.84 : 19,118.76 = 7,566.80 : x
  2. Step 2: Convert to fraction form
    13,853.84/19,118.76 = 7,566.80/x
  3. Step 3: Cross multiply
    13,853.84x = 19,118.76 × 7,566.80
  4. Step 4: Simplify right side
    13,853.84x = 144,667,833.17
  5. Step 5: Solve for x
    x = 144,667,833.17/13,853.84
  6. Step 6: Final answer
    x = 10,442.44

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