Home / 20,273.56-27,977.70-11,661.04

Finding the Fourth Proportional to 20,273.56, 27,977.70 and 11,661.04

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Solution

The fourth proportional to 20,273.56, 27,977.70 and 11,661.04 is: 16,092.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,273.56 : 27,977.70 = 11,661.04 : x
  2. Step 2: Convert to fraction form
    20,273.56/27,977.70 = 11,661.04/x
  3. Step 3: Cross multiply
    20,273.56x = 27,977.70 × 11,661.04
  4. Step 4: Simplify right side
    20,273.56x = 326,249,078.81
  5. Step 5: Solve for x
    x = 326,249,078.81/20,273.56
  6. Step 6: Final answer
    x = 16,092.34

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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.