Home / 12,517.02-17,305.92-11,966.22

Finding the Fourth Proportional to 12,517.02, 17,305.92 and 11,966.22

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Solution

The fourth proportional to 12,517.02, 17,305.92 and 11,966.22 is: 16,544.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,517.02 : 17,305.92 = 11,966.22 : x
  2. Step 2: Convert to fraction form
    12,517.02/17,305.92 = 11,966.22/x
  3. Step 3: Cross multiply
    12,517.02x = 17,305.92 × 11,966.22
  4. Step 4: Simplify right side
    12,517.02x = 207,086,446.02
  5. Step 5: Solve for x
    x = 207,086,446.02/12,517.02
  6. Step 6: Final answer
    x = 16,544.39

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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.