Home / 18,469.90-27,697.67-5,986.91

Finding the Fourth Proportional to 18,469.90, 27,697.67 and 5,986.91

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Solution

The fourth proportional to 18,469.90, 27,697.67 and 5,986.91 is: 8,978.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,469.90 : 27,697.67 = 5,986.91 : x
  2. Step 2: Convert to fraction form
    18,469.90/27,697.67 = 5,986.91/x
  3. Step 3: Cross multiply
    18,469.90x = 27,697.67 × 5,986.91
  4. Step 4: Simplify right side
    18,469.90x = 165,823,536.10
  5. Step 5: Solve for x
    x = 165,823,536.10/18,469.90
  6. Step 6: Final answer
    x = 8,978.04

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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.