Home / 18,501.22-27,740.68-7,243.13

Finding the Fourth Proportional to 18,501.22, 27,740.68 and 7,243.13

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Solution

The fourth proportional to 18,501.22, 27,740.68 and 7,243.13 is: 10,860.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,501.22 : 27,740.68 = 7,243.13 : x
  2. Step 2: Convert to fraction form
    18,501.22/27,740.68 = 7,243.13/x
  3. Step 3: Cross multiply
    18,501.22x = 27,740.68 × 7,243.13
  4. Step 4: Simplify right side
    18,501.22x = 200,929,351.53
  5. Step 5: Solve for x
    x = 200,929,351.53/18,501.22
  6. Step 6: Final answer
    x = 10,860.33

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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.