Home / 19,765.80-27,277.43-10,813.55

Finding the Fourth Proportional to 19,765.80, 27,277.43 and 10,813.55

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Solution

The fourth proportional to 19,765.80, 27,277.43 and 10,813.55 is: 14,923.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,765.80 : 27,277.43 = 10,813.55 : x
  2. Step 2: Convert to fraction form
    19,765.80/27,277.43 = 10,813.55/x
  3. Step 3: Cross multiply
    19,765.80x = 27,277.43 × 10,813.55
  4. Step 4: Simplify right side
    19,765.80x = 294,965,662.72
  5. Step 5: Solve for x
    x = 294,965,662.72/19,765.80
  6. Step 6: Final answer
    x = 14,923.03

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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.