Home / 18,529.40-27,804.36-6,850.28

Finding the Fourth Proportional to 18,529.40, 27,804.36 and 6,850.28

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Solution

The fourth proportional to 18,529.40, 27,804.36 and 6,850.28 is: 10,279.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,529.40 : 27,804.36 = 6,850.28 : x
  2. Step 2: Convert to fraction form
    18,529.40/27,804.36 = 6,850.28/x
  3. Step 3: Cross multiply
    18,529.40x = 27,804.36 × 6,850.28
  4. Step 4: Simplify right side
    18,529.40x = 190,467,651.22
  5. Step 5: Solve for x
    x = 190,467,651.22/18,529.40
  6. Step 6: Final answer
    x = 10,279.21

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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.