Home / 18,812.29-28,198.53-6,958.44

Finding the Fourth Proportional to 18,812.29, 28,198.53 and 6,958.44

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Solution

The fourth proportional to 18,812.29, 28,198.53 and 6,958.44 is: 10,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,812.29 : 28,198.53 = 6,958.44 : x
  2. Step 2: Convert to fraction form
    18,812.29/28,198.53 = 6,958.44/x
  3. Step 3: Cross multiply
    18,812.29x = 28,198.53 × 6,958.44
  4. Step 4: Simplify right side
    18,812.29x = 196,217,779.09
  5. Step 5: Solve for x
    x = 196,217,779.09/18,812.29
  6. Step 6: Final answer
    x = 10,430.30

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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.