Home / 9,198.09-13,786.27-3,931.56

Finding the Fourth Proportional to 9,198.09, 13,786.27 and 3,931.56

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Solution

The fourth proportional to 9,198.09, 13,786.27 and 3,931.56 is: 5,892.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,198.09 : 13,786.27 = 3,931.56 : x
  2. Step 2: Convert to fraction form
    9,198.09/13,786.27 = 3,931.56/x
  3. Step 3: Cross multiply
    9,198.09x = 13,786.27 × 3,931.56
  4. Step 4: Simplify right side
    9,198.09x = 54,201,547.68
  5. Step 5: Solve for x
    x = 54,201,547.68/9,198.09
  6. Step 6: Final answer
    x = 5,892.70

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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.