Home / 13,934.16-20,900.97-3,404.25

Finding the Fourth Proportional to 13,934.16, 20,900.97 and 3,404.25

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Solution

The fourth proportional to 13,934.16, 20,900.97 and 3,404.25 is: 5,106.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,934.16 : 20,900.97 = 3,404.25 : x
  2. Step 2: Convert to fraction form
    13,934.16/20,900.97 = 3,404.25/x
  3. Step 3: Cross multiply
    13,934.16x = 20,900.97 × 3,404.25
  4. Step 4: Simplify right side
    13,934.16x = 71,152,127.12
  5. Step 5: Solve for x
    x = 71,152,127.12/13,934.16
  6. Step 6: Final answer
    x = 5,106.31

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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.