Home / 16,745.49-23,108.94-9,191.70

Finding the Fourth Proportional to 16,745.49, 23,108.94 and 9,191.70

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Solution

The fourth proportional to 16,745.49, 23,108.94 and 9,191.70 is: 12,684.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,745.49 : 23,108.94 = 9,191.70 : x
  2. Step 2: Convert to fraction form
    16,745.49/23,108.94 = 9,191.70/x
  3. Step 3: Cross multiply
    16,745.49x = 23,108.94 × 9,191.70
  4. Step 4: Simplify right side
    16,745.49x = 212,410,443.80
  5. Step 5: Solve for x
    x = 212,410,443.80/16,745.49
  6. Step 6: Final answer
    x = 12,684.64

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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.