Home / 10,745.07-14,835.43-8,222.68

Finding the Fourth Proportional to 10,745.07, 14,835.43 and 8,222.68

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Solution

The fourth proportional to 10,745.07, 14,835.43 and 8,222.68 is: 11,352.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,745.07 : 14,835.43 = 8,222.68 : x
  2. Step 2: Convert to fraction form
    10,745.07/14,835.43 = 8,222.68/x
  3. Step 3: Cross multiply
    10,745.07x = 14,835.43 × 8,222.68
  4. Step 4: Simplify right side
    10,745.07x = 121,986,993.55
  5. Step 5: Solve for x
    x = 121,986,993.55/10,745.07
  6. Step 6: Final answer
    x = 11,352.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.