Home / 18,516.17-27,739.02-11,474.03

Finding the Fourth Proportional to 18,516.17, 27,739.02 and 11,474.03

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Solution

The fourth proportional to 18,516.17, 27,739.02 and 11,474.03 is: 17,189.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,516.17 : 27,739.02 = 11,474.03 : x
  2. Step 2: Convert to fraction form
    18,516.17/27,739.02 = 11,474.03/x
  3. Step 3: Cross multiply
    18,516.17x = 27,739.02 × 11,474.03
  4. Step 4: Simplify right side
    18,516.17x = 318,278,347.65
  5. Step 5: Solve for x
    x = 318,278,347.65/18,516.17
  6. Step 6: Final answer
    x = 17,189.21

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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.