Home / 13,843.08-20,765.54-5,084.15

Finding the Fourth Proportional to 13,843.08, 20,765.54 and 5,084.15

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Solution

The fourth proportional to 13,843.08, 20,765.54 and 5,084.15 is: 7,626.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,843.08 : 20,765.54 = 5,084.15 : x
  2. Step 2: Convert to fraction form
    13,843.08/20,765.54 = 5,084.15/x
  3. Step 3: Cross multiply
    13,843.08x = 20,765.54 × 5,084.15
  4. Step 4: Simplify right side
    13,843.08x = 105,575,120.19
  5. Step 5: Solve for x
    x = 105,575,120.19/13,843.08
  6. Step 6: Final answer
    x = 7,626.56

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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.