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Finding the Fourth Proportional to 10,894.54, 16,348.19 and 4,319.91

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Solution

The fourth proportional to 10,894.54, 16,348.19 and 4,319.91 is: 6,482.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,894.54 : 16,348.19 = 4,319.91 : x
  2. Step 2: Convert to fraction form
    10,894.54/16,348.19 = 4,319.91/x
  3. Step 3: Cross multiply
    10,894.54x = 16,348.19 × 4,319.91
  4. Step 4: Simplify right side
    10,894.54x = 70,622,709.46
  5. Step 5: Solve for x
    x = 70,622,709.46/10,894.54
  6. Step 6: Final answer
    x = 6,482.39

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