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Finding the Fourth Proportional to 21,164.15, 31,746.87 and 6,373.17

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Solution

The fourth proportional to 21,164.15, 31,746.87 and 6,373.17 is: 9,559.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,164.15 : 31,746.87 = 6,373.17 : x
  2. Step 2: Convert to fraction form
    21,164.15/31,746.87 = 6,373.17/x
  3. Step 3: Cross multiply
    21,164.15x = 31,746.87 × 6,373.17
  4. Step 4: Simplify right side
    21,164.15x = 202,328,199.48
  5. Step 5: Solve for x
    x = 202,328,199.48/21,164.15
  6. Step 6: Final answer
    x = 9,559.95

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