Home / 12,371.08-17,072.30-6,992.42

Finding the Fourth Proportional to 12,371.08, 17,072.30 and 6,992.42

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Solution

The fourth proportional to 12,371.08, 17,072.30 and 6,992.42 is: 9,649.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.08 : 17,072.30 = 6,992.42 : x
  2. Step 2: Convert to fraction form
    12,371.08/17,072.30 = 6,992.42/x
  3. Step 3: Cross multiply
    12,371.08x = 17,072.30 × 6,992.42
  4. Step 4: Simplify right side
    12,371.08x = 119,376,691.97
  5. Step 5: Solve for x
    x = 119,376,691.97/12,371.08
  6. Step 6: Final answer
    x = 9,649.66

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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.