Home / 9,019.37-13,531.79-6,391.96

Finding the Fourth Proportional to 9,019.37, 13,531.79 and 6,391.96

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Solution

The fourth proportional to 9,019.37, 13,531.79 and 6,391.96 is: 9,589.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,019.37 : 13,531.79 = 6,391.96 : x
  2. Step 2: Convert to fraction form
    9,019.37/13,531.79 = 6,391.96/x
  3. Step 3: Cross multiply
    9,019.37x = 13,531.79 × 6,391.96
  4. Step 4: Simplify right side
    9,019.37x = 86,494,642.56
  5. Step 5: Solve for x
    x = 86,494,642.56/9,019.37
  6. Step 6: Final answer
    x = 9,589.87

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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.