Home / 11,819.40-17,727.90-4,028.10

Finding the Fourth Proportional to 11,819.40, 17,727.90 and 4,028.10

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Solution

The fourth proportional to 11,819.40, 17,727.90 and 4,028.10 is: 6,041.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,819.40 : 17,727.90 = 4,028.10 : x
  2. Step 2: Convert to fraction form
    11,819.40/17,727.90 = 4,028.10/x
  3. Step 3: Cross multiply
    11,819.40x = 17,727.90 × 4,028.10
  4. Step 4: Simplify right side
    11,819.40x = 71,409,753.99
  5. Step 5: Solve for x
    x = 71,409,753.99/11,819.40
  6. Step 6: Final answer
    x = 6,041.74

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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.