Home / 11,131.94-15,361.03-6,654.80

Finding the Fourth Proportional to 11,131.94, 15,361.03 and 6,654.80

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Solution

The fourth proportional to 11,131.94, 15,361.03 and 6,654.80 is: 9,183.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,131.94 : 15,361.03 = 6,654.80 : x
  2. Step 2: Convert to fraction form
    11,131.94/15,361.03 = 6,654.80/x
  3. Step 3: Cross multiply
    11,131.94x = 15,361.03 × 6,654.80
  4. Step 4: Simplify right side
    11,131.94x = 102,224,582.44
  5. Step 5: Solve for x
    x = 102,224,582.44/11,131.94
  6. Step 6: Final answer
    x = 9,183.00

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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.