Home / 19,955.89-27,540.35-11,003.36

Finding the Fourth Proportional to 19,955.89, 27,540.35 and 11,003.36

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Solution

The fourth proportional to 19,955.89, 27,540.35 and 11,003.36 is: 15,185.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955.89 : 27,540.35 = 11,003.36 : x
  2. Step 2: Convert to fraction form
    19,955.89/27,540.35 = 11,003.36/x
  3. Step 3: Cross multiply
    19,955.89x = 27,540.35 × 11,003.36
  4. Step 4: Simplify right side
    19,955.89x = 303,036,385.58
  5. Step 5: Solve for x
    x = 303,036,385.58/19,955.89
  6. Step 6: Final answer
    x = 15,185.31

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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.