Home / 19,200.33-28,782-9,844.74

Finding the Fourth Proportional to 19,200.33, 28,782 and 9,844.74

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Solution

The fourth proportional to 19,200.33, 28,782 and 9,844.74 is: 14,757.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,200.33 : 28,782 = 9,844.74 : x
  2. Step 2: Convert to fraction form
    19,200.33/28,782 = 9,844.74/x
  3. Step 3: Cross multiply
    19,200.33x = 28,782 × 9,844.74
  4. Step 4: Simplify right side
    19,200.33x = 283,351,306.68
  5. Step 5: Solve for x
    x = 283,351,306.68/19,200.33
  6. Step 6: Final answer
    x = 14,757.63

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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.