Home / 12,451.67-18,675.35-3,217.67

Finding the Fourth Proportional to 12,451.67, 18,675.35 and 3,217.67

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Solution

The fourth proportional to 12,451.67, 18,675.35 and 3,217.67 is: 4,825.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451.67 : 18,675.35 = 3,217.67 : x
  2. Step 2: Convert to fraction form
    12,451.67/18,675.35 = 3,217.67/x
  3. Step 3: Cross multiply
    12,451.67x = 18,675.35 × 3,217.67
  4. Step 4: Simplify right side
    12,451.67x = 60,091,097.35
  5. Step 5: Solve for x
    x = 60,091,097.35/12,451.67
  6. Step 6: Final answer
    x = 4,825.95

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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.