Home / 13,469.90-20,206.01-4,112.03

Finding the Fourth Proportional to 13,469.90, 20,206.01 and 4,112.03

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Solution

The fourth proportional to 13,469.90, 20,206.01 and 4,112.03 is: 6,168.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,469.90 : 20,206.01 = 4,112.03 : x
  2. Step 2: Convert to fraction form
    13,469.90/20,206.01 = 4,112.03/x
  3. Step 3: Cross multiply
    13,469.90x = 20,206.01 × 4,112.03
  4. Step 4: Simplify right side
    13,469.90x = 83,087,597.71
  5. Step 5: Solve for x
    x = 83,087,597.71/13,469.90
  6. Step 6: Final answer
    x = 6,168.39

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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.