Home / 19,661.46-27,133.49-11,163.30

Finding the Fourth Proportional to 19,661.46, 27,133.49 and 11,163.30

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Solution

The fourth proportional to 19,661.46, 27,133.49 and 11,163.30 is: 15,405.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,661.46 : 27,133.49 = 11,163.30 : x
  2. Step 2: Convert to fraction form
    19,661.46/27,133.49 = 11,163.30/x
  3. Step 3: Cross multiply
    19,661.46x = 27,133.49 × 11,163.30
  4. Step 4: Simplify right side
    19,661.46x = 302,899,198.29
  5. Step 5: Solve for x
    x = 302,899,198.29/19,661.46
  6. Step 6: Final answer
    x = 15,405.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.