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Finding the Fourth Proportional to 31,198.55, 46,798.16 and 9,012.11

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Solution

The fourth proportional to 31,198.55, 46,798.16 and 9,012.11 is: 13,518.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,198.55 : 46,798.16 = 9,012.11 : x
  2. Step 2: Convert to fraction form
    31,198.55/46,798.16 = 9,012.11/x
  3. Step 3: Cross multiply
    31,198.55x = 46,798.16 × 9,012.11
  4. Step 4: Simplify right side
    31,198.55x = 421,749,886.67
  5. Step 5: Solve for x
    x = 421,749,886.67/31,198.55
  6. Step 6: Final answer
    x = 13,518.25

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