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Finding the Fourth Proportional to 15,971.13, 22,038.73 and 8,897.40

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Solution

The fourth proportional to 15,971.13, 22,038.73 and 8,897.40 is: 12,277.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,971.13 : 22,038.73 = 8,897.40 : x
  2. Step 2: Convert to fraction form
    15,971.13/22,038.73 = 8,897.40/x
  3. Step 3: Cross multiply
    15,971.13x = 22,038.73 × 8,897.40
  4. Step 4: Simplify right side
    15,971.13x = 196,087,396.30
  5. Step 5: Solve for x
    x = 196,087,396.30/15,971.13
  6. Step 6: Final answer
    x = 12,277.62

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