Home / 11,969.34-17,956.92-4,072.38

Finding the Fourth Proportional to 11,969.34, 17,956.92 and 4,072.38

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Solution

The fourth proportional to 11,969.34, 17,956.92 and 4,072.38 is: 6,109.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,969.34 : 17,956.92 = 4,072.38 : x
  2. Step 2: Convert to fraction form
    11,969.34/17,956.92 = 4,072.38/x
  3. Step 3: Cross multiply
    11,969.34x = 17,956.92 × 4,072.38
  4. Step 4: Simplify right side
    11,969.34x = 73,127,401.87
  5. Step 5: Solve for x
    x = 73,127,401.87/11,969.34
  6. Step 6: Final answer
    x = 6,109.56

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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.