Home / 11,321.08-16,950.42-8,539.33

Finding the Fourth Proportional to 11,321.08, 16,950.42 and 8,539.33

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Solution

The fourth proportional to 11,321.08, 16,950.42 and 8,539.33 is: 12,785.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321.08 : 16,950.42 = 8,539.33 : x
  2. Step 2: Convert to fraction form
    11,321.08/16,950.42 = 8,539.33/x
  3. Step 3: Cross multiply
    11,321.08x = 16,950.42 × 8,539.33
  4. Step 4: Simplify right side
    11,321.08x = 144,745,230.02
  5. Step 5: Solve for x
    x = 144,745,230.02/11,321.08
  6. Step 6: Final answer
    x = 12,785.46

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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.