Home / 11,936.42-17,904.63-3,171.11

Finding the Fourth Proportional to 11,936.42, 17,904.63 and 3,171.11

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Solution

The fourth proportional to 11,936.42, 17,904.63 and 3,171.11 is: 4,756.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,936.42 : 17,904.63 = 3,171.11 : x
  2. Step 2: Convert to fraction form
    11,936.42/17,904.63 = 3,171.11/x
  3. Step 3: Cross multiply
    11,936.42x = 17,904.63 × 3,171.11
  4. Step 4: Simplify right side
    11,936.42x = 56,777,461.72
  5. Step 5: Solve for x
    x = 56,777,461.72/11,936.42
  6. Step 6: Final answer
    x = 4,756.66

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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.