Home / 19,319.44-28,992.16-6,839.42

Finding the Fourth Proportional to 19,319.44, 28,992.16 and 6,839.42

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Solution

The fourth proportional to 19,319.44, 28,992.16 and 6,839.42 is: 10,263.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319.44 : 28,992.16 = 6,839.42 : x
  2. Step 2: Convert to fraction form
    19,319.44/28,992.16 = 6,839.42/x
  3. Step 3: Cross multiply
    19,319.44x = 28,992.16 × 6,839.42
  4. Step 4: Simplify right side
    19,319.44x = 198,289,558.95
  5. Step 5: Solve for x
    x = 198,289,558.95/19,319.44
  6. Step 6: Final answer
    x = 10,263.73

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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.