Home / 17,911.99-26,868.24-6,819.80

Finding the Fourth Proportional to 17,911.99, 26,868.24 and 6,819.80

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Solution

The fourth proportional to 17,911.99, 26,868.24 and 6,819.80 is: 10,229.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,911.99 : 26,868.24 = 6,819.80 : x
  2. Step 2: Convert to fraction form
    17,911.99/26,868.24 = 6,819.80/x
  3. Step 3: Cross multiply
    17,911.99x = 26,868.24 × 6,819.80
  4. Step 4: Simplify right side
    17,911.99x = 183,236,023.15
  5. Step 5: Solve for x
    x = 183,236,023.15/17,911.99
  6. Step 6: Final answer
    x = 10,229.80

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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.