Home / 13,469.26-20,205.06-4,111.39

Finding the Fourth Proportional to 13,469.26, 20,205.06 and 4,111.39

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Solution

The fourth proportional to 13,469.26, 20,205.06 and 4,111.39 is: 6,167.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,469.26 : 20,205.06 = 4,111.39 : x
  2. Step 2: Convert to fraction form
    13,469.26/20,205.06 = 4,111.39/x
  3. Step 3: Cross multiply
    13,469.26x = 20,205.06 × 4,111.39
  4. Step 4: Simplify right side
    13,469.26x = 83,070,881.63
  5. Step 5: Solve for x
    x = 83,070,881.63/13,469.26
  6. Step 6: Final answer
    x = 6,167.44

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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.