Home / 12,369.22-17,072.04-11,372.92

Finding the Fourth Proportional to 12,369.22, 17,072.04 and 11,372.92

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Solution

The fourth proportional to 12,369.22, 17,072.04 and 11,372.92 is: 15,696.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,369.22 : 17,072.04 = 11,372.92 : x
  2. Step 2: Convert to fraction form
    12,369.22/17,072.04 = 11,372.92/x
  3. Step 3: Cross multiply
    12,369.22x = 17,072.04 × 11,372.92
  4. Step 4: Simplify right side
    12,369.22x = 194,158,945.16
  5. Step 5: Solve for x
    x = 194,158,945.16/12,369.22
  6. Step 6: Final answer
    x = 15,696.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.