Home / 12,633.74-18,951.12-4,735.44

Finding the Fourth Proportional to 12,633.74, 18,951.12 and 4,735.44

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Solution

The fourth proportional to 12,633.74, 18,951.12 and 4,735.44 is: 7,103.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,633.74 : 18,951.12 = 4,735.44 : x
  2. Step 2: Convert to fraction form
    12,633.74/18,951.12 = 4,735.44/x
  3. Step 3: Cross multiply
    12,633.74x = 18,951.12 × 4,735.44
  4. Step 4: Simplify right side
    12,633.74x = 89,741,891.69
  5. Step 5: Solve for x
    x = 89,741,891.69/12,633.74
  6. Step 6: Final answer
    x = 7,103.35

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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.