Home / 9,963.43-14,943.93-4,119.28

Finding the Fourth Proportional to 9,963.43, 14,943.93 and 4,119.28

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Solution

The fourth proportional to 9,963.43, 14,943.93 and 4,119.28 is: 6,178.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,963.43 : 14,943.93 = 4,119.28 : x
  2. Step 2: Convert to fraction form
    9,963.43/14,943.93 = 4,119.28/x
  3. Step 3: Cross multiply
    9,963.43x = 14,943.93 × 4,119.28
  4. Step 4: Simplify right side
    9,963.43x = 61,558,231.97
  5. Step 5: Solve for x
    x = 61,558,231.97/9,963.43
  6. Step 6: Final answer
    x = 6,178.42

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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.