Home / 10,912.28-16,368.42-2,704.28

Finding the Fourth Proportional to 10,912.28, 16,368.42 and 2,704.28

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Solution

The fourth proportional to 10,912.28, 16,368.42 and 2,704.28 is: 4,056.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912.28 : 16,368.42 = 2,704.28 : x
  2. Step 2: Convert to fraction form
    10,912.28/16,368.42 = 2,704.28/x
  3. Step 3: Cross multiply
    10,912.28x = 16,368.42 × 2,704.28
  4. Step 4: Simplify right side
    10,912.28x = 44,264,790.84
  5. Step 5: Solve for x
    x = 44,264,790.84/10,912.28
  6. Step 6: Final answer
    x = 4,056.42

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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.