Home / 11,277.94-16,918.05-3,881.42

Finding the Fourth Proportional to 11,277.94, 16,918.05 and 3,881.42

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Solution

The fourth proportional to 11,277.94, 16,918.05 and 3,881.42 is: 5,822.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,277.94 : 16,918.05 = 3,881.42 : x
  2. Step 2: Convert to fraction form
    11,277.94/16,918.05 = 3,881.42/x
  3. Step 3: Cross multiply
    11,277.94x = 16,918.05 × 3,881.42
  4. Step 4: Simplify right side
    11,277.94x = 65,666,057.63
  5. Step 5: Solve for x
    x = 65,666,057.63/11,277.94
  6. Step 6: Final answer
    x = 5,822.52

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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.