Home / 18,485.66-25,511.14-10,936.41

Finding the Fourth Proportional to 18,485.66, 25,511.14 and 10,936.41

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Solution

The fourth proportional to 18,485.66, 25,511.14 and 10,936.41 is: 15,092.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,485.66 : 25,511.14 = 10,936.41 : x
  2. Step 2: Convert to fraction form
    18,485.66/25,511.14 = 10,936.41/x
  3. Step 3: Cross multiply
    18,485.66x = 25,511.14 × 10,936.41
  4. Step 4: Simplify right side
    18,485.66x = 279,000,231.93
  5. Step 5: Solve for x
    x = 279,000,231.93/18,485.66
  6. Step 6: Final answer
    x = 15,092.79

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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.