Home / 11,747.98-17,626.58-5,169.55

Finding the Fourth Proportional to 11,747.98, 17,626.58 and 5,169.55

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Solution

The fourth proportional to 11,747.98, 17,626.58 and 5,169.55 is: 7,756.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.98 : 17,626.58 = 5,169.55 : x
  2. Step 2: Convert to fraction form
    11,747.98/17,626.58 = 5,169.55/x
  3. Step 3: Cross multiply
    11,747.98x = 17,626.58 × 5,169.55
  4. Step 4: Simplify right side
    11,747.98x = 91,121,372.66
  5. Step 5: Solve for x
    x = 91,121,372.66/11,747.98
  6. Step 6: Final answer
    x = 7,756.35

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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.