Home / 13,958.52-20,935.00-6,839.70

Finding the Fourth Proportional to 13,958.52, 20,935.00 and 6,839.70

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Solution

The fourth proportional to 13,958.52, 20,935.00 and 6,839.70 is: 10,258.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,958.52 : 20,935.00 = 6,839.70 : x
  2. Step 2: Convert to fraction form
    13,958.52/20,935.00 = 6,839.70/x
  3. Step 3: Cross multiply
    13,958.52x = 20,935.00 × 6,839.70
  4. Step 4: Simplify right side
    13,958.52x = 143,189,085.30
  5. Step 5: Solve for x
    x = 143,189,085.30/13,958.52
  6. Step 6: Final answer
    x = 10,258.19

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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.