Home / 10,069.20-13,954.37-9,928.26

Finding the Fourth Proportional to 10,069.20, 13,954.37 and 9,928.26

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Solution

The fourth proportional to 10,069.20, 13,954.37 and 9,928.26 is: 13,759.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,069.20 : 13,954.37 = 9,928.26 : x
  2. Step 2: Convert to fraction form
    10,069.20/13,954.37 = 9,928.26/x
  3. Step 3: Cross multiply
    10,069.20x = 13,954.37 × 9,928.26
  4. Step 4: Simplify right side
    10,069.20x = 138,542,563.85
  5. Step 5: Solve for x
    x = 138,542,563.85/10,069.20
  6. Step 6: Final answer
    x = 13,759.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.