Home / 18,433.38-27,650.91-5,287.62

Finding the Fourth Proportional to 18,433.38, 27,650.91 and 5,287.62

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Solution

The fourth proportional to 18,433.38, 27,650.91 and 5,287.62 is: 7,931.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,433.38 : 27,650.91 = 5,287.62 : x
  2. Step 2: Convert to fraction form
    18,433.38/27,650.91 = 5,287.62/x
  3. Step 3: Cross multiply
    18,433.38x = 27,650.91 × 5,287.62
  4. Step 4: Simplify right side
    18,433.38x = 146,207,504.73
  5. Step 5: Solve for x
    x = 146,207,504.73/18,433.38
  6. Step 6: Final answer
    x = 7,931.67

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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.