Home / 19,965.75-27,552.90-11,013.56

Finding the Fourth Proportional to 19,965.75, 27,552.90 and 11,013.56

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Solution

The fourth proportional to 19,965.75, 27,552.90 and 11,013.56 is: 15,198.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,965.75 : 27,552.90 = 11,013.56 : x
  2. Step 2: Convert to fraction form
    19,965.75/27,552.90 = 11,013.56/x
  3. Step 3: Cross multiply
    19,965.75x = 27,552.90 × 11,013.56
  4. Step 4: Simplify right side
    19,965.75x = 303,455,517.32
  5. Step 5: Solve for x
    x = 303,455,517.32/19,965.75
  6. Step 6: Final answer
    x = 15,198.80

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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.