Home / 10,512.54-15,768.77-3,493.08

Finding the Fourth Proportional to 10,512.54, 15,768.77 and 3,493.08

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Solution

The fourth proportional to 10,512.54, 15,768.77 and 3,493.08 is: 5,239.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512.54 : 15,768.77 = 3,493.08 : x
  2. Step 2: Convert to fraction form
    10,512.54/15,768.77 = 3,493.08/x
  3. Step 3: Cross multiply
    10,512.54x = 15,768.77 × 3,493.08
  4. Step 4: Simplify right side
    10,512.54x = 55,081,583.84
  5. Step 5: Solve for x
    x = 55,081,583.84/10,512.54
  6. Step 6: Final answer
    x = 5,239.61

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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.