Home / 13,236.48-19,854.44-3,375.76

Finding the Fourth Proportional to 13,236.48, 19,854.44 and 3,375.76

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Solution

The fourth proportional to 13,236.48, 19,854.44 and 3,375.76 is: 5,063.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.48 : 19,854.44 = 3,375.76 : x
  2. Step 2: Convert to fraction form
    13,236.48/19,854.44 = 3,375.76/x
  3. Step 3: Cross multiply
    13,236.48x = 19,854.44 × 3,375.76
  4. Step 4: Simplify right side
    13,236.48x = 67,023,824.37
  5. Step 5: Solve for x
    x = 67,023,824.37/13,236.48
  6. Step 6: Final answer
    x = 5,063.57

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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.