Home / 10,236.75-15,355.12-2,841.21

Finding the Fourth Proportional to 10,236.75, 15,355.12 and 2,841.21

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Solution

The fourth proportional to 10,236.75, 15,355.12 and 2,841.21 is: 4,261.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,236.75 : 15,355.12 = 2,841.21 : x
  2. Step 2: Convert to fraction form
    10,236.75/15,355.12 = 2,841.21/x
  3. Step 3: Cross multiply
    10,236.75x = 15,355.12 × 2,841.21
  4. Step 4: Simplify right side
    10,236.75x = 43,627,120.50
  5. Step 5: Solve for x
    x = 43,627,120.50/10,236.75
  6. Step 6: Final answer
    x = 4,261.81

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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.