Home / 11,936.70-17,904.96-3,172.23

Finding the Fourth Proportional to 11,936.70, 17,904.96 and 3,172.23

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Solution

The fourth proportional to 11,936.70, 17,904.96 and 3,172.23 is: 4,758.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,936.70 : 17,904.96 = 3,172.23 : x
  2. Step 2: Convert to fraction form
    11,936.70/17,904.96 = 3,172.23/x
  3. Step 3: Cross multiply
    11,936.70x = 17,904.96 × 3,172.23
  4. Step 4: Simplify right side
    11,936.70x = 56,798,651.26
  5. Step 5: Solve for x
    x = 56,798,651.26/11,936.70
  6. Step 6: Final answer
    x = 4,758.32

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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.