Home / 18,674.39-28,011.57-6,829.73

Finding the Fourth Proportional to 18,674.39, 28,011.57 and 6,829.73

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Solution

The fourth proportional to 18,674.39, 28,011.57 and 6,829.73 is: 10,244.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,674.39 : 28,011.57 = 6,829.73 : x
  2. Step 2: Convert to fraction form
    18,674.39/28,011.57 = 6,829.73/x
  3. Step 3: Cross multiply
    18,674.39x = 28,011.57 × 6,829.73
  4. Step 4: Simplify right side
    18,674.39x = 191,311,319.92
  5. Step 5: Solve for x
    x = 191,311,319.92/18,674.39
  6. Step 6: Final answer
    x = 10,244.58

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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.