Home / 19,969.73-27,558.15-11,017.79

Finding the Fourth Proportional to 19,969.73, 27,558.15 and 11,017.79

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Solution

The fourth proportional to 19,969.73, 27,558.15 and 11,017.79 is: 15,204.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,969.73 : 27,558.15 = 11,017.79 : x
  2. Step 2: Convert to fraction form
    19,969.73/27,558.15 = 11,017.79/x
  3. Step 3: Cross multiply
    19,969.73x = 27,558.15 × 11,017.79
  4. Step 4: Simplify right side
    19,969.73x = 303,629,909.49
  5. Step 5: Solve for x
    x = 303,629,909.49/19,969.73
  6. Step 6: Final answer
    x = 15,204.51

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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.