Home / 18,218.22-27,294.04-13,208.18

Finding the Fourth Proportional to 18,218.22, 27,294.04 and 13,208.18

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Solution

The fourth proportional to 18,218.22, 27,294.04 and 13,208.18 is: 19,788.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,218.22 : 27,294.04 = 13,208.18 : x
  2. Step 2: Convert to fraction form
    18,218.22/27,294.04 = 13,208.18/x
  3. Step 3: Cross multiply
    18,218.22x = 27,294.04 × 13,208.18
  4. Step 4: Simplify right side
    18,218.22x = 360,504,473.29
  5. Step 5: Solve for x
    x = 360,504,473.29/18,218.22
  6. Step 6: Final answer
    x = 19,788.13

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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.