Home / 19,955.72-27,539.07-11,003.54

Finding the Fourth Proportional to 19,955.72, 27,539.07 and 11,003.54

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Solution

The fourth proportional to 19,955.72, 27,539.07 and 11,003.54 is: 15,184.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955.72 : 27,539.07 = 11,003.54 : x
  2. Step 2: Convert to fraction form
    19,955.72/27,539.07 = 11,003.54/x
  3. Step 3: Cross multiply
    19,955.72x = 27,539.07 × 11,003.54
  4. Step 4: Simplify right side
    19,955.72x = 303,027,265.15
  5. Step 5: Solve for x
    x = 303,027,265.15/19,955.72
  6. Step 6: Final answer
    x = 15,184.99

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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.