Home / 13,902.05-20,853.21-5,469.41

Finding the Fourth Proportional to 13,902.05, 20,853.21 and 5,469.41

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Solution

The fourth proportional to 13,902.05, 20,853.21 and 5,469.41 is: 8,204.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902.05 : 20,853.21 = 5,469.41 : x
  2. Step 2: Convert to fraction form
    13,902.05/20,853.21 = 5,469.41/x
  3. Step 3: Cross multiply
    13,902.05x = 20,853.21 × 5,469.41
  4. Step 4: Simplify right side
    13,902.05x = 114,054,651.04
  5. Step 5: Solve for x
    x = 114,054,651.04/13,902.05
  6. Step 6: Final answer
    x = 8,204.16

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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.