Home / 19,620.32-27,076.16-11,236.64

Finding the Fourth Proportional to 19,620.32, 27,076.16 and 11,236.64

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Solution

The fourth proportional to 19,620.32, 27,076.16 and 11,236.64 is: 15,506.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620.32 : 27,076.16 = 11,236.64 : x
  2. Step 2: Convert to fraction form
    19,620.32/27,076.16 = 11,236.64/x
  3. Step 3: Cross multiply
    19,620.32x = 27,076.16 × 11,236.64
  4. Step 4: Simplify right side
    19,620.32x = 304,245,062.50
  5. Step 5: Solve for x
    x = 304,245,062.50/19,620.32
  6. Step 6: Final answer
    x = 15,506.63

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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.