Home / 19,621.80-27,075.42-11,662.56

Finding the Fourth Proportional to 19,621.80, 27,075.42 and 11,662.56

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Solution

The fourth proportional to 19,621.80, 27,075.42 and 11,662.56 is: 16,092.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.80 : 27,075.42 = 11,662.56 : x
  2. Step 2: Convert to fraction form
    19,621.80/27,075.42 = 11,662.56/x
  3. Step 3: Cross multiply
    19,621.80x = 27,075.42 × 11,662.56
  4. Step 4: Simplify right side
    19,621.80x = 315,768,710.28
  5. Step 5: Solve for x
    x = 315,768,710.28/19,621.80
  6. Step 6: Final answer
    x = 16,092.75

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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.