Home / 13,850.43-20,770.74-4,488.18

Finding the Fourth Proportional to 13,850.43, 20,770.74 and 4,488.18

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Solution

The fourth proportional to 13,850.43, 20,770.74 and 4,488.18 is: 6,730.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.43 : 20,770.74 = 4,488.18 : x
  2. Step 2: Convert to fraction form
    13,850.43/20,770.74 = 4,488.18/x
  3. Step 3: Cross multiply
    13,850.43x = 20,770.74 × 4,488.18
  4. Step 4: Simplify right side
    13,850.43x = 93,222,819.85
  5. Step 5: Solve for x
    x = 93,222,819.85/13,850.43
  6. Step 6: Final answer
    x = 6,730.68

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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.