Home / 10,236.78-15,357.15-3,996.54

Finding the Fourth Proportional to 10,236.78, 15,357.15 and 3,996.54

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Solution

The fourth proportional to 10,236.78, 15,357.15 and 3,996.54 is: 5,995.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,236.78 : 15,357.15 = 3,996.54 : x
  2. Step 2: Convert to fraction form
    10,236.78/15,357.15 = 3,996.54/x
  3. Step 3: Cross multiply
    10,236.78x = 15,357.15 × 3,996.54
  4. Step 4: Simplify right side
    10,236.78x = 61,375,464.26
  5. Step 5: Solve for x
    x = 61,375,464.26/10,236.78
  6. Step 6: Final answer
    x = 5,995.58

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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.