Home / 18,209.88-27,282.36-9,884.60

Finding the Fourth Proportional to 18,209.88, 27,282.36 and 9,884.60

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Solution

The fourth proportional to 18,209.88, 27,282.36 and 9,884.60 is: 14,809.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,209.88 : 27,282.36 = 9,884.60 : x
  2. Step 2: Convert to fraction form
    18,209.88/27,282.36 = 9,884.60/x
  3. Step 3: Cross multiply
    18,209.88x = 27,282.36 × 9,884.60
  4. Step 4: Simplify right side
    18,209.88x = 269,675,215.66
  5. Step 5: Solve for x
    x = 269,675,215.66/18,209.88
  6. Step 6: Final answer
    x = 14,809.28

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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.