Home / 13,942.16-20,906.27-4,453.21

Finding the Fourth Proportional to 13,942.16, 20,906.27 and 4,453.21

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Solution

The fourth proportional to 13,942.16, 20,906.27 and 4,453.21 is: 6,677.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.16 : 20,906.27 = 4,453.21 : x
  2. Step 2: Convert to fraction form
    13,942.16/20,906.27 = 4,453.21/x
  3. Step 3: Cross multiply
    13,942.16x = 20,906.27 × 4,453.21
  4. Step 4: Simplify right side
    13,942.16x = 93,100,031.19
  5. Step 5: Solve for x
    x = 93,100,031.19/13,942.16
  6. Step 6: Final answer
    x = 6,677.59

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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.