Home / 18,177.85-27,261.48-7,082.05

Finding the Fourth Proportional to 18,177.85, 27,261.48 and 7,082.05

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Solution

The fourth proportional to 18,177.85, 27,261.48 and 7,082.05 is: 10,621.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,177.85 : 27,261.48 = 7,082.05 : x
  2. Step 2: Convert to fraction form
    18,177.85/27,261.48 = 7,082.05/x
  3. Step 3: Cross multiply
    18,177.85x = 27,261.48 × 7,082.05
  4. Step 4: Simplify right side
    18,177.85x = 193,067,164.43
  5. Step 5: Solve for x
    x = 193,067,164.43/18,177.85
  6. Step 6: Final answer
    x = 10,621.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.