Home / 19,955.54-27,538.83-11,003.39

Finding the Fourth Proportional to 19,955.54, 27,538.83 and 11,003.39

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Solution

The fourth proportional to 19,955.54, 27,538.83 and 11,003.39 is: 15,184.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955.54 : 27,538.83 = 11,003.39 : x
  2. Step 2: Convert to fraction form
    19,955.54/27,538.83 = 11,003.39/x
  3. Step 3: Cross multiply
    19,955.54x = 27,538.83 × 11,003.39
  4. Step 4: Simplify right side
    19,955.54x = 303,020,555.48
  5. Step 5: Solve for x
    x = 303,020,555.48/19,955.54
  6. Step 6: Final answer
    x = 15,184.79

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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.