Home / 21,263.44-31,874.48-11,907.94

Finding the Fourth Proportional to 21,263.44, 31,874.48 and 11,907.94

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Solution

The fourth proportional to 21,263.44, 31,874.48 and 11,907.94 is: 17,850.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,263.44 : 31,874.48 = 11,907.94 : x
  2. Step 2: Convert to fraction form
    21,263.44/31,874.48 = 11,907.94/x
  3. Step 3: Cross multiply
    21,263.44x = 31,874.48 × 11,907.94
  4. Step 4: Simplify right side
    21,263.44x = 379,559,395.37
  5. Step 5: Solve for x
    x = 379,559,395.37/21,263.44
  6. Step 6: Final answer
    x = 17,850.33

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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.