Home / 11,361.21-15,674.42-6,578.55

Finding the Fourth Proportional to 11,361.21, 15,674.42 and 6,578.55

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Solution

The fourth proportional to 11,361.21, 15,674.42 and 6,578.55 is: 9,076.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,361.21 : 15,674.42 = 6,578.55 : x
  2. Step 2: Convert to fraction form
    11,361.21/15,674.42 = 6,578.55/x
  3. Step 3: Cross multiply
    11,361.21x = 15,674.42 × 6,578.55
  4. Step 4: Simplify right side
    11,361.21x = 103,114,844.43
  5. Step 5: Solve for x
    x = 103,114,844.43/11,361.21
  6. Step 6: Final answer
    x = 9,076.04

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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.