Home / 13,208.21-19,813.04-3,347.58

Finding the Fourth Proportional to 13,208.21, 19,813.04 and 3,347.58

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Solution

The fourth proportional to 13,208.21, 19,813.04 and 3,347.58 is: 5,021.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208.21 : 19,813.04 = 3,347.58 : x
  2. Step 2: Convert to fraction form
    13,208.21/19,813.04 = 3,347.58/x
  3. Step 3: Cross multiply
    13,208.21x = 19,813.04 × 3,347.58
  4. Step 4: Simplify right side
    13,208.21x = 66,325,713.94
  5. Step 5: Solve for x
    x = 66,325,713.94/13,208.21
  6. Step 6: Final answer
    x = 5,021.55

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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.