Home / 20,193.69-27,866.29-11,241.98

Finding the Fourth Proportional to 20,193.69, 27,866.29 and 11,241.98

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Solution

The fourth proportional to 20,193.69, 27,866.29 and 11,241.98 is: 15,513.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193.69 : 27,866.29 = 11,241.98 : x
  2. Step 2: Convert to fraction form
    20,193.69/27,866.29 = 11,241.98/x
  3. Step 3: Cross multiply
    20,193.69x = 27,866.29 × 11,241.98
  4. Step 4: Simplify right side
    20,193.69x = 313,272,274.85
  5. Step 5: Solve for x
    x = 313,272,274.85/20,193.69
  6. Step 6: Final answer
    x = 15,513.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.