Home / 13,334.94-19,979.46-6,662.43

Finding the Fourth Proportional to 13,334.94, 19,979.46 and 6,662.43

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Solution

The fourth proportional to 13,334.94, 19,979.46 and 6,662.43 is: 9,982.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.94 : 19,979.46 = 6,662.43 : x
  2. Step 2: Convert to fraction form
    13,334.94/19,979.46 = 6,662.43/x
  3. Step 3: Cross multiply
    13,334.94x = 19,979.46 × 6,662.43
  4. Step 4: Simplify right side
    13,334.94x = 133,111,753.69
  5. Step 5: Solve for x
    x = 133,111,753.69/13,334.94
  6. Step 6: Final answer
    x = 9,982.18

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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.