Home / 9,441.21-13,029.89-5,905.56

Finding the Fourth Proportional to 9,441.21, 13,029.89 and 5,905.56

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Solution

The fourth proportional to 9,441.21, 13,029.89 and 5,905.56 is: 8,150.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,441.21 : 13,029.89 = 5,905.56 : x
  2. Step 2: Convert to fraction form
    9,441.21/13,029.89 = 5,905.56/x
  3. Step 3: Cross multiply
    9,441.21x = 13,029.89 × 5,905.56
  4. Step 4: Simplify right side
    9,441.21x = 76,948,759.84
  5. Step 5: Solve for x
    x = 76,948,759.84/9,441.21
  6. Step 6: Final answer
    x = 8,150.31

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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.