Home / 13,069.90-19,604.22-3,208.60

Finding the Fourth Proportional to 13,069.90, 19,604.22 and 3,208.60

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Solution

The fourth proportional to 13,069.90, 19,604.22 and 3,208.60 is: 4,812.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069.90 : 19,604.22 = 3,208.60 : x
  2. Step 2: Convert to fraction form
    13,069.90/19,604.22 = 3,208.60/x
  3. Step 3: Cross multiply
    13,069.90x = 19,604.22 × 3,208.60
  4. Step 4: Simplify right side
    13,069.90x = 62,902,100.29
  5. Step 5: Solve for x
    x = 62,902,100.29/13,069.90
  6. Step 6: Final answer
    x = 4,812.75

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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.