Home / 11,809.89-17,709.44-4,015.53

Finding the Fourth Proportional to 11,809.89, 17,709.44 and 4,015.53

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Solution

The fourth proportional to 11,809.89, 17,709.44 and 4,015.53 is: 6,021.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,809.89 : 17,709.44 = 4,015.53 : x
  2. Step 2: Convert to fraction form
    11,809.89/17,709.44 = 4,015.53/x
  3. Step 3: Cross multiply
    11,809.89x = 17,709.44 × 4,015.53
  4. Step 4: Simplify right side
    11,809.89x = 71,112,767.53
  5. Step 5: Solve for x
    x = 71,112,767.53/11,809.89
  6. Step 6: Final answer
    x = 6,021.46

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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.