Home / 10,536.75-15,805.53-2,745.63

Finding the Fourth Proportional to 10,536.75, 15,805.53 and 2,745.63

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Solution

The fourth proportional to 10,536.75, 15,805.53 and 2,745.63 is: 4,118.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,536.75 : 15,805.53 = 2,745.63 : x
  2. Step 2: Convert to fraction form
    10,536.75/15,805.53 = 2,745.63/x
  3. Step 3: Cross multiply
    10,536.75x = 15,805.53 × 2,745.63
  4. Step 4: Simplify right side
    10,536.75x = 43,396,137.33
  5. Step 5: Solve for x
    x = 43,396,137.33/10,536.75
  6. Step 6: Final answer
    x = 4,118.55

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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.