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Finding the Fourth Proportional to 12,031.52, 16,576.32 and 8,394.08

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Solution

The fourth proportional to 12,031.52, 16,576.32 and 8,394.08 is: 11,564.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,031.52 : 16,576.32 = 8,394.08 : x
  2. Step 2: Convert to fraction form
    12,031.52/16,576.32 = 8,394.08/x
  3. Step 3: Cross multiply
    12,031.52x = 16,576.32 × 8,394.08
  4. Step 4: Simplify right side
    12,031.52x = 139,142,873.30
  5. Step 5: Solve for x
    x = 139,142,873.30/12,031.52
  6. Step 6: Final answer
    x = 11,564.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.