Home / 13,221.67-19,832.42-3,360.93

Finding the Fourth Proportional to 13,221.67, 19,832.42 and 3,360.93

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Solution

The fourth proportional to 13,221.67, 19,832.42 and 3,360.93 is: 5,041.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,221.67 : 19,832.42 = 3,360.93 : x
  2. Step 2: Convert to fraction form
    13,221.67/19,832.42 = 3,360.93/x
  3. Step 3: Cross multiply
    13,221.67x = 19,832.42 × 3,360.93
  4. Step 4: Simplify right side
    13,221.67x = 66,655,375.35
  5. Step 5: Solve for x
    x = 66,655,375.35/13,221.67
  6. Step 6: Final answer
    x = 5,041.37

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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.