Home / 11,153.30-16,732.42-3,361.55

Finding the Fourth Proportional to 11,153.30, 16,732.42 and 3,361.55

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Solution

The fourth proportional to 11,153.30, 16,732.42 and 3,361.55 is: 5,043.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.30 : 16,732.42 = 3,361.55 : x
  2. Step 2: Convert to fraction form
    11,153.30/16,732.42 = 3,361.55/x
  3. Step 3: Cross multiply
    11,153.30x = 16,732.42 × 3,361.55
  4. Step 4: Simplify right side
    11,153.30x = 56,246,774.39
  5. Step 5: Solve for x
    x = 56,246,774.39/11,153.30
  6. Step 6: Final answer
    x = 5,043.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.