Home / 18,783.85-28,172.94-6,301.75

Finding the Fourth Proportional to 18,783.85, 28,172.94 and 6,301.75

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Solution

The fourth proportional to 18,783.85, 28,172.94 and 6,301.75 is: 9,451.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,783.85 : 28,172.94 = 6,301.75 : x
  2. Step 2: Convert to fraction form
    18,783.85/28,172.94 = 6,301.75/x
  3. Step 3: Cross multiply
    18,783.85x = 28,172.94 × 6,301.75
  4. Step 4: Simplify right side
    18,783.85x = 177,538,824.65
  5. Step 5: Solve for x
    x = 177,538,824.65/18,783.85
  6. Step 6: Final answer
    x = 9,451.67

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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.