Home / 13,383.22-18,468.14-7,414.75

Finding the Fourth Proportional to 13,383.22, 18,468.14 and 7,414.75

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Solution

The fourth proportional to 13,383.22, 18,468.14 and 7,414.75 is: 10,231.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,383.22 : 18,468.14 = 7,414.75 : x
  2. Step 2: Convert to fraction form
    13,383.22/18,468.14 = 7,414.75/x
  3. Step 3: Cross multiply
    13,383.22x = 18,468.14 × 7,414.75
  4. Step 4: Simplify right side
    13,383.22x = 136,936,603.99
  5. Step 5: Solve for x
    x = 136,936,603.99/13,383.22
  6. Step 6: Final answer
    x = 10,231.96

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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.