Home / 18,019.74-27,022.59-6,771.54

Finding the Fourth Proportional to 18,019.74, 27,022.59 and 6,771.54

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Solution

The fourth proportional to 18,019.74, 27,022.59 and 6,771.54 is: 10,154.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,019.74 : 27,022.59 = 6,771.54 : x
  2. Step 2: Convert to fraction form
    18,019.74/27,022.59 = 6,771.54/x
  3. Step 3: Cross multiply
    18,019.74x = 27,022.59 × 6,771.54
  4. Step 4: Simplify right side
    18,019.74x = 182,984,549.09
  5. Step 5: Solve for x
    x = 182,984,549.09/18,019.74
  6. Step 6: Final answer
    x = 10,154.67

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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.