Home / 18,216.55-27,289.80-11,176.03

Finding the Fourth Proportional to 18,216.55, 27,289.80 and 11,176.03

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Solution

The fourth proportional to 18,216.55, 27,289.80 and 11,176.03 is: 16,742.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,216.55 : 27,289.80 = 11,176.03 : x
  2. Step 2: Convert to fraction form
    18,216.55/27,289.80 = 11,176.03/x
  3. Step 3: Cross multiply
    18,216.55x = 27,289.80 × 11,176.03
  4. Step 4: Simplify right side
    18,216.55x = 304,991,555.27
  5. Step 5: Solve for x
    x = 304,991,555.27/18,216.55
  6. Step 6: Final answer
    x = 16,742.56

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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.