Home / 13,934.34-20,902.59-3,546

Finding the Fourth Proportional to 13,934.34, 20,902.59 and 3,546

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Solution

The fourth proportional to 13,934.34, 20,902.59 and 3,546 is: 5,319.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,934.34 : 20,902.59 = 3,546 : x
  2. Step 2: Convert to fraction form
    13,934.34/20,902.59 = 3,546/x
  3. Step 3: Cross multiply
    13,934.34x = 20,902.59 × 3,546
  4. Step 4: Simplify right side
    13,934.34x = 74,120,584.14
  5. Step 5: Solve for x
    x = 74,120,584.14/13,934.34
  6. Step 6: Final answer
    x = 5,319.27

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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.