Home / 12,327.96-17,015.19-7,226.82

Finding the Fourth Proportional to 12,327.96, 17,015.19 and 7,226.82

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Solution

The fourth proportional to 12,327.96, 17,015.19 and 7,226.82 is: 9,974.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,327.96 : 17,015.19 = 7,226.82 : x
  2. Step 2: Convert to fraction form
    12,327.96/17,015.19 = 7,226.82/x
  3. Step 3: Cross multiply
    12,327.96x = 17,015.19 × 7,226.82
  4. Step 4: Simplify right side
    12,327.96x = 122,965,715.40
  5. Step 5: Solve for x
    x = 122,965,715.40/12,327.96
  6. Step 6: Final answer
    x = 9,974.54

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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.