Home / 19,969.92-27,558.12-11,017.80

Finding the Fourth Proportional to 19,969.92, 27,558.12 and 11,017.80

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Solution

The fourth proportional to 19,969.92, 27,558.12 and 11,017.80 is: 15,204.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,969.92 : 27,558.12 = 11,017.80 : x
  2. Step 2: Convert to fraction form
    19,969.92/27,558.12 = 11,017.80/x
  3. Step 3: Cross multiply
    19,969.92x = 27,558.12 × 11,017.80
  4. Step 4: Simplify right side
    19,969.92x = 303,629,854.54
  5. Step 5: Solve for x
    x = 303,629,854.54/19,969.92
  6. Step 6: Final answer
    x = 15,204.36

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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.