Home / 19,618.22-27,075.40-11,660.37

Finding the Fourth Proportional to 19,618.22, 27,075.40 and 11,660.37

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Solution

The fourth proportional to 19,618.22, 27,075.40 and 11,660.37 is: 16,092.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618.22 : 27,075.40 = 11,660.37 : x
  2. Step 2: Convert to fraction form
    19,618.22/27,075.40 = 11,660.37/x
  3. Step 3: Cross multiply
    19,618.22x = 27,075.40 × 11,660.37
  4. Step 4: Simplify right side
    19,618.22x = 315,709,181.90
  5. Step 5: Solve for x
    x = 315,709,181.90/19,618.22
  6. Step 6: Final answer
    x = 16,092.65

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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.