Home / 13,278.16-19,933.44-8,357.41

Finding the Fourth Proportional to 13,278.16, 19,933.44 and 8,357.41

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Solution

The fourth proportional to 13,278.16, 19,933.44 and 8,357.41 is: 12,546.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,278.16 : 19,933.44 = 8,357.41 : x
  2. Step 2: Convert to fraction form
    13,278.16/19,933.44 = 8,357.41/x
  3. Step 3: Cross multiply
    13,278.16x = 19,933.44 × 8,357.41
  4. Step 4: Simplify right side
    13,278.16x = 166,591,930.79
  5. Step 5: Solve for x
    x = 166,591,930.79/13,278.16
  6. Step 6: Final answer
    x = 12,546.31

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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.