Home / 13,514.43-20,269.82-6,940.67

Finding the Fourth Proportional to 13,514.43, 20,269.82 and 6,940.67

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Solution

The fourth proportional to 13,514.43, 20,269.82 and 6,940.67 is: 10,410.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514.43 : 20,269.82 = 6,940.67 : x
  2. Step 2: Convert to fraction form
    13,514.43/20,269.82 = 6,940.67/x
  3. Step 3: Cross multiply
    13,514.43x = 20,269.82 × 6,940.67
  4. Step 4: Simplify right side
    13,514.43x = 140,685,995.53
  5. Step 5: Solve for x
    x = 140,685,995.53/13,514.43
  6. Step 6: Final answer
    x = 10,410.06

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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.