Home / 13,202.01-18,218.30-7,233.75

Finding the Fourth Proportional to 13,202.01, 18,218.30 and 7,233.75

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Solution

The fourth proportional to 13,202.01, 18,218.30 and 7,233.75 is: 9,982.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,202.01 : 18,218.30 = 7,233.75 : x
  2. Step 2: Convert to fraction form
    13,202.01/18,218.30 = 7,233.75/x
  3. Step 3: Cross multiply
    13,202.01x = 18,218.30 × 7,233.75
  4. Step 4: Simplify right side
    13,202.01x = 131,786,591.46
  5. Step 5: Solve for x
    x = 131,786,591.46/13,202.01
  6. Step 6: Final answer
    x = 9,982.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.