Home / 12,536.44-18,809.21-4,745.25

Finding the Fourth Proportional to 12,536.44, 18,809.21 and 4,745.25

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Solution

The fourth proportional to 12,536.44, 18,809.21 and 4,745.25 is: 7,119.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,536.44 : 18,809.21 = 4,745.25 : x
  2. Step 2: Convert to fraction form
    12,536.44/18,809.21 = 4,745.25/x
  3. Step 3: Cross multiply
    12,536.44x = 18,809.21 × 4,745.25
  4. Step 4: Simplify right side
    12,536.44x = 89,254,415.62
  5. Step 5: Solve for x
    x = 89,254,415.62/12,536.44
  6. Step 6: Final answer
    x = 7,119.60

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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.