Home / 19,292.43-28,943.24-6,144.78

Finding the Fourth Proportional to 19,292.43, 28,943.24 and 6,144.78

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Solution

The fourth proportional to 19,292.43, 28,943.24 and 6,144.78 is: 9,218.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,292.43 : 28,943.24 = 6,144.78 : x
  2. Step 2: Convert to fraction form
    19,292.43/28,943.24 = 6,144.78/x
  3. Step 3: Cross multiply
    19,292.43x = 28,943.24 × 6,144.78
  4. Step 4: Simplify right side
    19,292.43x = 177,849,811.56
  5. Step 5: Solve for x
    x = 177,849,811.56/19,292.43
  6. Step 6: Final answer
    x = 9,218.63

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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.