Home / 12,202.43-18,281.75-11,546.33

Finding the Fourth Proportional to 12,202.43, 18,281.75 and 11,546.33

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Solution

The fourth proportional to 12,202.43, 18,281.75 and 11,546.33 is: 17,298.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,202.43 : 18,281.75 = 11,546.33 : x
  2. Step 2: Convert to fraction form
    12,202.43/18,281.75 = 11,546.33/x
  3. Step 3: Cross multiply
    12,202.43x = 18,281.75 × 11,546.33
  4. Step 4: Simplify right side
    12,202.43x = 211,086,969.34
  5. Step 5: Solve for x
    x = 211,086,969.34/12,202.43
  6. Step 6: Final answer
    x = 17,298.77

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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.