Home / 11,172.96-16,758.96-3,381.44

Finding the Fourth Proportional to 11,172.96, 16,758.96 and 3,381.44

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Solution

The fourth proportional to 11,172.96, 16,758.96 and 3,381.44 is: 5,072.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,172.96 : 16,758.96 = 3,381.44 : x
  2. Step 2: Convert to fraction form
    11,172.96/16,758.96 = 3,381.44/x
  3. Step 3: Cross multiply
    11,172.96x = 16,758.96 × 3,381.44
  4. Step 4: Simplify right side
    11,172.96x = 56,669,417.70
  5. Step 5: Solve for x
    x = 56,669,417.70/11,172.96
  6. Step 6: Final answer
    x = 5,072.01

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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.