Home / 13,229.62-19,848.75-4,910.36

Finding the Fourth Proportional to 13,229.62, 19,848.75 and 4,910.36

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Solution

The fourth proportional to 13,229.62, 19,848.75 and 4,910.36 is: 7,367.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,229.62 : 19,848.75 = 4,910.36 : x
  2. Step 2: Convert to fraction form
    13,229.62/19,848.75 = 4,910.36/x
  3. Step 3: Cross multiply
    13,229.62x = 19,848.75 × 4,910.36
  4. Step 4: Simplify right side
    13,229.62x = 97,464,508.05
  5. Step 5: Solve for x
    x = 97,464,508.05/13,229.62
  6. Step 6: Final answer
    x = 7,367.14

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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.