Home / 21,907.44-30,232.22-12,476.03

Finding the Fourth Proportional to 21,907.44, 30,232.22 and 12,476.03

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Solution

The fourth proportional to 21,907.44, 30,232.22 and 12,476.03 is: 17,216.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,907.44 : 30,232.22 = 12,476.03 : x
  2. Step 2: Convert to fraction form
    21,907.44/30,232.22 = 12,476.03/x
  3. Step 3: Cross multiply
    21,907.44x = 30,232.22 × 12,476.03
  4. Step 4: Simplify right side
    21,907.44x = 377,177,870.15
  5. Step 5: Solve for x
    x = 377,177,870.15/21,907.44
  6. Step 6: Final answer
    x = 17,216.88

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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.