Home / 11,272.12-15,556.62-6,236.72

Finding the Fourth Proportional to 11,272.12, 15,556.62 and 6,236.72

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Solution

The fourth proportional to 11,272.12, 15,556.62 and 6,236.72 is: 8,607.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,272.12 : 15,556.62 = 6,236.72 : x
  2. Step 2: Convert to fraction form
    11,272.12/15,556.62 = 6,236.72/x
  3. Step 3: Cross multiply
    11,272.12x = 15,556.62 × 6,236.72
  4. Step 4: Simplify right side
    11,272.12x = 97,022,283.09
  5. Step 5: Solve for x
    x = 97,022,283.09/11,272.12
  6. Step 6: Final answer
    x = 8,607.28

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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.