Home / 11,986.14-16,539.31-6,949.29

Finding the Fourth Proportional to 11,986.14, 16,539.31 and 6,949.29

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Solution

The fourth proportional to 11,986.14, 16,539.31 and 6,949.29 is: 9,589.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,986.14 : 16,539.31 = 6,949.29 : x
  2. Step 2: Convert to fraction form
    11,986.14/16,539.31 = 6,949.29/x
  3. Step 3: Cross multiply
    11,986.14x = 16,539.31 × 6,949.29
  4. Step 4: Simplify right side
    11,986.14x = 114,936,461.59
  5. Step 5: Solve for x
    x = 114,936,461.59/11,986.14
  6. Step 6: Final answer
    x = 9,589.11

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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.