Home / 19,956.80-27,540.60-11,004.32

Finding the Fourth Proportional to 19,956.80, 27,540.60 and 11,004.32

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Solution

The fourth proportional to 19,956.80, 27,540.60 and 11,004.32 is: 15,186.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.80 : 27,540.60 = 11,004.32 : x
  2. Step 2: Convert to fraction form
    19,956.80/27,540.60 = 11,004.32/x
  3. Step 3: Cross multiply
    19,956.80x = 27,540.60 × 11,004.32
  4. Step 4: Simplify right side
    19,956.80x = 303,065,575.39
  5. Step 5: Solve for x
    x = 303,065,575.39/19,956.80
  6. Step 6: Final answer
    x = 15,186.08

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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.