Home / 11,853.46-17,786.40-7,692.49

Finding the Fourth Proportional to 11,853.46, 17,786.40 and 7,692.49

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Solution

The fourth proportional to 11,853.46, 17,786.40 and 7,692.49 is: 11,542.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,853.46 : 17,786.40 = 7,692.49 : x
  2. Step 2: Convert to fraction form
    11,853.46/17,786.40 = 7,692.49/x
  3. Step 3: Cross multiply
    11,853.46x = 17,786.40 × 7,692.49
  4. Step 4: Simplify right side
    11,853.46x = 136,821,704.14
  5. Step 5: Solve for x
    x = 136,821,704.14/11,853.46
  6. Step 6: Final answer
    x = 11,542.77

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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.