Home / 18,231.55-27,330.91-6,542.03

Finding the Fourth Proportional to 18,231.55, 27,330.91 and 6,542.03

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Solution

The fourth proportional to 18,231.55, 27,330.91 and 6,542.03 is: 9,807.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,231.55 : 27,330.91 = 6,542.03 : x
  2. Step 2: Convert to fraction form
    18,231.55/27,330.91 = 6,542.03/x
  3. Step 3: Cross multiply
    18,231.55x = 27,330.91 × 6,542.03
  4. Step 4: Simplify right side
    18,231.55x = 178,799,633.15
  5. Step 5: Solve for x
    x = 178,799,633.15/18,231.55
  6. Step 6: Final answer
    x = 9,807.15

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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.