Home / 19,169.44-28,756.84-6,687.64

Finding the Fourth Proportional to 19,169.44, 28,756.84 and 6,687.64

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Solution

The fourth proportional to 19,169.44, 28,756.84 and 6,687.64 is: 10,032.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,169.44 : 28,756.84 = 6,687.64 : x
  2. Step 2: Convert to fraction form
    19,169.44/28,756.84 = 6,687.64/x
  3. Step 3: Cross multiply
    19,169.44x = 28,756.84 × 6,687.64
  4. Step 4: Simplify right side
    19,169.44x = 192,315,393.46
  5. Step 5: Solve for x
    x = 192,315,393.46/19,169.44
  6. Step 6: Final answer
    x = 10,032.39

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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.