Home / 10,241.88-15,358.47-4,321.41

Finding the Fourth Proportional to 10,241.88, 15,358.47 and 4,321.41

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Solution

The fourth proportional to 10,241.88, 15,358.47 and 4,321.41 is: 6,480.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,241.88 : 15,358.47 = 4,321.41 : x
  2. Step 2: Convert to fraction form
    10,241.88/15,358.47 = 4,321.41/x
  3. Step 3: Cross multiply
    10,241.88x = 15,358.47 × 4,321.41
  4. Step 4: Simplify right side
    10,241.88x = 66,370,245.84
  5. Step 5: Solve for x
    x = 66,370,245.84/10,241.88
  6. Step 6: Final answer
    x = 6,480.28

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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.