Home / 13,928.79-20,900.37-9,252.03

Finding the Fourth Proportional to 13,928.79, 20,900.37 and 9,252.03

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Solution

The fourth proportional to 13,928.79, 20,900.37 and 9,252.03 is: 13,882.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,928.79 : 20,900.37 = 9,252.03 : x
  2. Step 2: Convert to fraction form
    13,928.79/20,900.37 = 9,252.03/x
  3. Step 3: Cross multiply
    13,928.79x = 20,900.37 × 9,252.03
  4. Step 4: Simplify right side
    13,928.79x = 193,370,850.25
  5. Step 5: Solve for x
    x = 193,370,850.25/13,928.79
  6. Step 6: Final answer
    x = 13,882.82

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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.