Home / 13,982.34-20,958.81-6,189.30

Finding the Fourth Proportional to 13,982.34, 20,958.81 and 6,189.30

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Solution

The fourth proportional to 13,982.34, 20,958.81 and 6,189.30 is: 9,277.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,982.34 : 20,958.81 = 6,189.30 : x
  2. Step 2: Convert to fraction form
    13,982.34/20,958.81 = 6,189.30/x
  3. Step 3: Cross multiply
    13,982.34x = 20,958.81 × 6,189.30
  4. Step 4: Simplify right side
    13,982.34x = 129,720,362.73
  5. Step 5: Solve for x
    x = 129,720,362.73/13,982.34
  6. Step 6: Final answer
    x = 9,277.44

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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.