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Finding the Fourth Proportional to 10,874.00, 16,312.62 and 5,031.20

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Solution

The fourth proportional to 10,874.00, 16,312.62 and 5,031.20 is: 7,547.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,874.00 : 16,312.62 = 5,031.20 : x
  2. Step 2: Convert to fraction form
    10,874.00/16,312.62 = 5,031.20/x
  3. Step 3: Cross multiply
    10,874.00x = 16,312.62 × 5,031.20
  4. Step 4: Simplify right side
    10,874.00x = 82,072,113.39
  5. Step 5: Solve for x
    x = 82,072,113.39/10,874.00
  6. Step 6: Final answer
    x = 7,547.55

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