Home / 13,203.79-19,799.09-4,317.96

Finding the Fourth Proportional to 13,203.79, 19,799.09 and 4,317.96

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Solution

The fourth proportional to 13,203.79, 19,799.09 and 4,317.96 is: 6,474.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203.79 : 19,799.09 = 4,317.96 : x
  2. Step 2: Convert to fraction form
    13,203.79/19,799.09 = 4,317.96/x
  3. Step 3: Cross multiply
    13,203.79x = 19,799.09 × 4,317.96
  4. Step 4: Simplify right side
    13,203.79x = 85,491,678.66
  5. Step 5: Solve for x
    x = 85,491,678.66/13,203.79
  6. Step 6: Final answer
    x = 6,474.78

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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.