Home / 18,415.14-27,619.92-6,725.63

Finding the Fourth Proportional to 18,415.14, 27,619.92 and 6,725.63

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Solution

The fourth proportional to 18,415.14, 27,619.92 and 6,725.63 is: 10,087.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,415.14 : 27,619.92 = 6,725.63 : x
  2. Step 2: Convert to fraction form
    18,415.14/27,619.92 = 6,725.63/x
  3. Step 3: Cross multiply
    18,415.14x = 27,619.92 × 6,725.63
  4. Step 4: Simplify right side
    18,415.14x = 185,761,224.45
  5. Step 5: Solve for x
    x = 185,761,224.45/18,415.14
  6. Step 6: Final answer
    x = 10,087.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.