Home / 13,382.82-20,103.39-10,923.66

Finding the Fourth Proportional to 13,382.82, 20,103.39 and 10,923.66

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Solution

The fourth proportional to 13,382.82, 20,103.39 and 10,923.66 is: 16,409.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,382.82 : 20,103.39 = 10,923.66 : x
  2. Step 2: Convert to fraction form
    13,382.82/20,103.39 = 10,923.66/x
  3. Step 3: Cross multiply
    13,382.82x = 20,103.39 × 10,923.66
  4. Step 4: Simplify right side
    13,382.82x = 219,602,597.21
  5. Step 5: Solve for x
    x = 219,602,597.21/13,382.82
  6. Step 6: Final answer
    x = 16,409.29

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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.