Home / 18,020.85-27,035.49-6,174.75

Finding the Fourth Proportional to 18,020.85, 27,035.49 and 6,174.75

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Solution

The fourth proportional to 18,020.85, 27,035.49 and 6,174.75 is: 9,263.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,020.85 : 27,035.49 = 6,174.75 : x
  2. Step 2: Convert to fraction form
    18,020.85/27,035.49 = 6,174.75/x
  3. Step 3: Cross multiply
    18,020.85x = 27,035.49 × 6,174.75
  4. Step 4: Simplify right side
    18,020.85x = 166,937,391.88
  5. Step 5: Solve for x
    x = 166,937,391.88/18,020.85
  6. Step 6: Final answer
    x = 9,263.57

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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.