Home / 11,169.73-15,411.67-6,694.30

Finding the Fourth Proportional to 11,169.73, 15,411.67 and 6,694.30

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Solution

The fourth proportional to 11,169.73, 15,411.67 and 6,694.30 is: 9,236.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,169.73 : 15,411.67 = 6,694.30 : x
  2. Step 2: Convert to fraction form
    11,169.73/15,411.67 = 6,694.30/x
  3. Step 3: Cross multiply
    11,169.73x = 15,411.67 × 6,694.30
  4. Step 4: Simplify right side
    11,169.73x = 103,170,342.48
  5. Step 5: Solve for x
    x = 103,170,342.48/11,169.73
  6. Step 6: Final answer
    x = 9,236.60

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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.