Home / 22,198.08-30,630.42-13,246.68

Finding the Fourth Proportional to 22,198.08, 30,630.42 and 13,246.68

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Solution

The fourth proportional to 22,198.08, 30,630.42 and 13,246.68 is: 18,278.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,198.08 : 30,630.42 = 13,246.68 : x
  2. Step 2: Convert to fraction form
    22,198.08/30,630.42 = 13,246.68/x
  3. Step 3: Cross multiply
    22,198.08x = 30,630.42 × 13,246.68
  4. Step 4: Simplify right side
    22,198.08x = 405,751,372.01
  5. Step 5: Solve for x
    x = 405,751,372.01/22,198.08
  6. Step 6: Final answer
    x = 18,278.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.