Home / 13,212.90-19,820.06-3,352.26

Finding the Fourth Proportional to 13,212.90, 19,820.06 and 3,352.26

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Solution

The fourth proportional to 13,212.90, 19,820.06 and 3,352.26 is: 5,028.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,212.90 : 19,820.06 = 3,352.26 : x
  2. Step 2: Convert to fraction form
    13,212.90/19,820.06 = 3,352.26/x
  3. Step 3: Cross multiply
    13,212.90x = 19,820.06 × 3,352.26
  4. Step 4: Simplify right side
    13,212.90x = 66,441,994.34
  5. Step 5: Solve for x
    x = 66,441,994.34/13,212.90
  6. Step 6: Final answer
    x = 5,028.57

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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.