Home / 18,693.95-27,975.09-11,677.26

Finding the Fourth Proportional to 18,693.95, 27,975.09 and 11,677.26

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Solution

The fourth proportional to 18,693.95, 27,975.09 and 11,677.26 is: 17,474.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,693.95 : 27,975.09 = 11,677.26 : x
  2. Step 2: Convert to fraction form
    18,693.95/27,975.09 = 11,677.26/x
  3. Step 3: Cross multiply
    18,693.95x = 27,975.09 × 11,677.26
  4. Step 4: Simplify right side
    18,693.95x = 326,672,507.10
  5. Step 5: Solve for x
    x = 326,672,507.10/18,693.95
  6. Step 6: Final answer
    x = 17,474.78

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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.