Home / 18,198.84-27,339.30-10,808.13

Finding the Fourth Proportional to 18,198.84, 27,339.30 and 10,808.13

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Solution

The fourth proportional to 18,198.84, 27,339.30 and 10,808.13 is: 16,236.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,198.84 : 27,339.30 = 10,808.13 : x
  2. Step 2: Convert to fraction form
    18,198.84/27,339.30 = 10,808.13/x
  3. Step 3: Cross multiply
    18,198.84x = 27,339.30 × 10,808.13
  4. Step 4: Simplify right side
    18,198.84x = 295,486,708.51
  5. Step 5: Solve for x
    x = 295,486,708.51/18,198.84
  6. Step 6: Final answer
    x = 16,236.57

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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.