Home / 18,082.85-27,128.14-5,602.59

Finding the Fourth Proportional to 18,082.85, 27,128.14 and 5,602.59

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Solution

The fourth proportional to 18,082.85, 27,128.14 and 5,602.59 is: 8,405.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,082.85 : 27,128.14 = 5,602.59 : x
  2. Step 2: Convert to fraction form
    18,082.85/27,128.14 = 5,602.59/x
  3. Step 3: Cross multiply
    18,082.85x = 27,128.14 × 5,602.59
  4. Step 4: Simplify right side
    18,082.85x = 151,987,923.93
  5. Step 5: Solve for x
    x = 151,987,923.93/18,082.85
  6. Step 6: Final answer
    x = 8,405.09

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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.