Home / 19,294.44-28,943.78-6,142.20

Finding the Fourth Proportional to 19,294.44, 28,943.78 and 6,142.20

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Solution

The fourth proportional to 19,294.44, 28,943.78 and 6,142.20 is: 9,213.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,294.44 : 28,943.78 = 6,142.20 : x
  2. Step 2: Convert to fraction form
    19,294.44/28,943.78 = 6,142.20/x
  3. Step 3: Cross multiply
    19,294.44x = 28,943.78 × 6,142.20
  4. Step 4: Simplify right side
    19,294.44x = 177,778,485.52
  5. Step 5: Solve for x
    x = 177,778,485.52/19,294.44
  6. Step 6: Final answer
    x = 9,213.97

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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.