Home / 19,144.82-28,710.86-8,049.44

Finding the Fourth Proportional to 19,144.82, 28,710.86 and 8,049.44

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Solution

The fourth proportional to 19,144.82, 28,710.86 and 8,049.44 is: 12,071.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,144.82 : 28,710.86 = 8,049.44 : x
  2. Step 2: Convert to fraction form
    19,144.82/28,710.86 = 8,049.44/x
  3. Step 3: Cross multiply
    19,144.82x = 28,710.86 × 8,049.44
  4. Step 4: Simplify right side
    19,144.82x = 231,106,376.45
  5. Step 5: Solve for x
    x = 231,106,376.45/19,144.82
  6. Step 6: Final answer
    x = 12,071.48

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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.