Home / 12,181.53-18,277.94-6,628.26

Finding the Fourth Proportional to 12,181.53, 18,277.94 and 6,628.26

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Solution

The fourth proportional to 12,181.53, 18,277.94 and 6,628.26 is: 9,945.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,181.53 : 18,277.94 = 6,628.26 : x
  2. Step 2: Convert to fraction form
    12,181.53/18,277.94 = 6,628.26/x
  3. Step 3: Cross multiply
    12,181.53x = 18,277.94 × 6,628.26
  4. Step 4: Simplify right side
    12,181.53x = 121,150,938.58
  5. Step 5: Solve for x
    x = 121,150,938.58/12,181.53
  6. Step 6: Final answer
    x = 9,945.46

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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.