Home / 18,735.06-28,094.70-7,634.22

Finding the Fourth Proportional to 18,735.06, 28,094.70 and 7,634.22

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Solution

The fourth proportional to 18,735.06, 28,094.70 and 7,634.22 is: 11,448.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,735.06 : 28,094.70 = 7,634.22 : x
  2. Step 2: Convert to fraction form
    18,735.06/28,094.70 = 7,634.22/x
  3. Step 3: Cross multiply
    18,735.06x = 28,094.70 × 7,634.22
  4. Step 4: Simplify right side
    18,735.06x = 214,481,120.63
  5. Step 5: Solve for x
    x = 214,481,120.63/18,735.06
  6. Step 6: Final answer
    x = 11,448.11

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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.