Home / 13,694.34-18,898.04-7,727.94

Finding the Fourth Proportional to 13,694.34, 18,898.04 and 7,727.94

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Solution

The fourth proportional to 13,694.34, 18,898.04 and 7,727.94 is: 10,664.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694.34 : 18,898.04 = 7,727.94 : x
  2. Step 2: Convert to fraction form
    13,694.34/18,898.04 = 7,727.94/x
  3. Step 3: Cross multiply
    13,694.34x = 18,898.04 × 7,727.94
  4. Step 4: Simplify right side
    13,694.34x = 146,042,919.24
  5. Step 5: Solve for x
    x = 146,042,919.24/13,694.34
  6. Step 6: Final answer
    x = 10,664.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.