Home / 18,084.80-27,127.20-11,884.26

Finding the Fourth Proportional to 18,084.80, 27,127.20 and 11,884.26

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Solution

The fourth proportional to 18,084.80, 27,127.20 and 11,884.26 is: 17,826.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,084.80 : 27,127.20 = 11,884.26 : x
  2. Step 2: Convert to fraction form
    18,084.80/27,127.20 = 11,884.26/x
  3. Step 3: Cross multiply
    18,084.80x = 27,127.20 × 11,884.26
  4. Step 4: Simplify right side
    18,084.80x = 322,386,697.87
  5. Step 5: Solve for x
    x = 322,386,697.87/18,084.80
  6. Step 6: Final answer
    x = 17,826.39

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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.