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Finding the Fourth Proportional to 21,394.63, 32,080.19 and 7,346.80

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Solution

The fourth proportional to 21,394.63, 32,080.19 and 7,346.80 is: 11,016.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,394.63 : 32,080.19 = 7,346.80 : x
  2. Step 2: Convert to fraction form
    21,394.63/32,080.19 = 7,346.80/x
  3. Step 3: Cross multiply
    21,394.63x = 32,080.19 × 7,346.80
  4. Step 4: Simplify right side
    21,394.63x = 235,686,579.49
  5. Step 5: Solve for x
    x = 235,686,579.49/21,394.63
  6. Step 6: Final answer
    x = 11,016.16

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