Home / 11,644.65-17,465.25-4,247.37

Finding the Fourth Proportional to 11,644.65, 17,465.25 and 4,247.37

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Solution

The fourth proportional to 11,644.65, 17,465.25 and 4,247.37 is: 6,370.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,644.65 : 17,465.25 = 4,247.37 : x
  2. Step 2: Convert to fraction form
    11,644.65/17,465.25 = 4,247.37/x
  3. Step 3: Cross multiply
    11,644.65x = 17,465.25 × 4,247.37
  4. Step 4: Simplify right side
    11,644.65x = 74,181,378.89
  5. Step 5: Solve for x
    x = 74,181,378.89/11,644.65
  6. Step 6: Final answer
    x = 6,370.43

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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.