Home / 12,371.25-17,073.17-6,991.83

Finding the Fourth Proportional to 12,371.25, 17,073.17 and 6,991.83

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Solution

The fourth proportional to 12,371.25, 17,073.17 and 6,991.83 is: 9,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.25 : 17,073.17 = 6,991.83 : x
  2. Step 2: Convert to fraction form
    12,371.25/17,073.17 = 6,991.83/x
  3. Step 3: Cross multiply
    12,371.25x = 17,073.17 × 6,991.83
  4. Step 4: Simplify right side
    12,371.25x = 119,372,702.20
  5. Step 5: Solve for x
    x = 119,372,702.20/12,371.25
  6. Step 6: Final answer
    x = 9,649.20

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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.