Home / 21,267.36-31,902.66-6,477.37

Finding the Fourth Proportional to 21,267.36, 31,902.66 and 6,477.37

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Solution

The fourth proportional to 21,267.36, 31,902.66 and 6,477.37 is: 9,716.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,267.36 : 31,902.66 = 6,477.37 : x
  2. Step 2: Convert to fraction form
    21,267.36/31,902.66 = 6,477.37/x
  3. Step 3: Cross multiply
    21,267.36x = 31,902.66 × 6,477.37
  4. Step 4: Simplify right side
    21,267.36x = 206,645,253.05
  5. Step 5: Solve for x
    x = 206,645,253.05/21,267.36
  6. Step 6: Final answer
    x = 9,716.54

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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.