Home / 16,789.42-23,170.18-9,235.61

Finding the Fourth Proportional to 16,789.42, 23,170.18 and 9,235.61

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Solution

The fourth proportional to 16,789.42, 23,170.18 and 9,235.61 is: 12,745.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,789.42 : 23,170.18 = 9,235.61 : x
  2. Step 2: Convert to fraction form
    16,789.42/23,170.18 = 9,235.61/x
  3. Step 3: Cross multiply
    16,789.42x = 23,170.18 × 9,235.61
  4. Step 4: Simplify right side
    16,789.42x = 213,990,750.57
  5. Step 5: Solve for x
    x = 213,990,750.57/16,789.42
  6. Step 6: Final answer
    x = 12,745.57

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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.