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Finding the Fourth Proportional to 14,662.67, 21,976.37 and 6,754.31

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Solution

The fourth proportional to 14,662.67, 21,976.37 and 6,754.31 is: 10,123.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,662.67 : 21,976.37 = 6,754.31 : x
  2. Step 2: Convert to fraction form
    14,662.67/21,976.37 = 6,754.31/x
  3. Step 3: Cross multiply
    14,662.67x = 21,976.37 × 6,754.31
  4. Step 4: Simplify right side
    14,662.67x = 148,435,215.65
  5. Step 5: Solve for x
    x = 148,435,215.65/14,662.67
  6. Step 6: Final answer
    x = 10,123.34

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1.5x scale

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.