Home / 12,197.38-16,832.31-6,892.21

Finding the Fourth Proportional to 12,197.38, 16,832.31 and 6,892.21

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Solution

The fourth proportional to 12,197.38, 16,832.31 and 6,892.21 is: 9,511.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,197.38 : 16,832.31 = 6,892.21 : x
  2. Step 2: Convert to fraction form
    12,197.38/16,832.31 = 6,892.21/x
  3. Step 3: Cross multiply
    12,197.38x = 16,832.31 × 6,892.21
  4. Step 4: Simplify right side
    12,197.38x = 116,011,815.31
  5. Step 5: Solve for x
    x = 116,011,815.31/12,197.38
  6. Step 6: Final answer
    x = 9,511.21

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1.5x scale

Why These Related Problems?

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