Home / 13,945.26-20,928.33-9,757.74

Finding the Fourth Proportional to 13,945.26, 20,928.33 and 9,757.74

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Solution

The fourth proportional to 13,945.26, 20,928.33 and 9,757.74 is: 14,643.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,945.26 : 20,928.33 = 9,757.74 : x
  2. Step 2: Convert to fraction form
    13,945.26/20,928.33 = 9,757.74/x
  3. Step 3: Cross multiply
    13,945.26x = 20,928.33 × 9,757.74
  4. Step 4: Simplify right side
    13,945.26x = 204,213,202.77
  5. Step 5: Solve for x
    x = 204,213,202.77/13,945.26
  6. Step 6: Final answer
    x = 14,643.92

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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.