Home / 19,765.80-27,277.44-10,813.56

Finding the Fourth Proportional to 19,765.80, 27,277.44 and 10,813.56

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Solution

The fourth proportional to 19,765.80, 27,277.44 and 10,813.56 is: 14,923.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,765.80 : 27,277.44 = 10,813.56 : x
  2. Step 2: Convert to fraction form
    19,765.80/27,277.44 = 10,813.56/x
  3. Step 3: Cross multiply
    19,765.80x = 27,277.44 × 10,813.56
  4. Step 4: Simplify right side
    19,765.80x = 294,966,234.09
  5. Step 5: Solve for x
    x = 294,966,234.09/19,765.80
  6. Step 6: Final answer
    x = 14,923.06

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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.