Home / 12,727.78-19,094.43-5,328.43

Finding the Fourth Proportional to 12,727.78, 19,094.43 and 5,328.43

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Solution

The fourth proportional to 12,727.78, 19,094.43 and 5,328.43 is: 7,993.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,727.78 : 19,094.43 = 5,328.43 : x
  2. Step 2: Convert to fraction form
    12,727.78/19,094.43 = 5,328.43/x
  3. Step 3: Cross multiply
    12,727.78x = 19,094.43 × 5,328.43
  4. Step 4: Simplify right side
    12,727.78x = 101,743,333.64
  5. Step 5: Solve for x
    x = 101,743,333.64/12,727.78
  6. Step 6: Final answer
    x = 7,993.80

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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.