Home / 20,268.43-30,394.89-9,735.52

Finding the Fourth Proportional to 20,268.43, 30,394.89 and 9,735.52

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Solution

The fourth proportional to 20,268.43, 30,394.89 and 9,735.52 is: 14,599.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,268.43 : 30,394.89 = 9,735.52 : x
  2. Step 2: Convert to fraction form
    20,268.43/30,394.89 = 9,735.52/x
  3. Step 3: Cross multiply
    20,268.43x = 30,394.89 × 9,735.52
  4. Step 4: Simplify right side
    20,268.43x = 295,909,907.52
  5. Step 5: Solve for x
    x = 295,909,907.52/20,268.43
  6. Step 6: Final answer
    x = 14,599.55

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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.