Home / 19,969.82-27,558.17-11,017.40

Finding the Fourth Proportional to 19,969.82, 27,558.17 and 11,017.40

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Solution

The fourth proportional to 19,969.82, 27,558.17 and 11,017.40 is: 15,203.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,969.82 : 27,558.17 = 11,017.40 : x
  2. Step 2: Convert to fraction form
    19,969.82/27,558.17 = 11,017.40/x
  3. Step 3: Cross multiply
    19,969.82x = 27,558.17 × 11,017.40
  4. Step 4: Simplify right side
    19,969.82x = 303,619,258.18
  5. Step 5: Solve for x
    x = 303,619,258.18/19,969.82
  6. Step 6: Final answer
    x = 15,203.90

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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.