Home / 18,836.70-25,990.26-10,877.44

Finding the Fourth Proportional to 18,836.70, 25,990.26 and 10,877.44

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Solution

The fourth proportional to 18,836.70, 25,990.26 and 10,877.44 is: 15,008.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,836.70 : 25,990.26 = 10,877.44 : x
  2. Step 2: Convert to fraction form
    18,836.70/25,990.26 = 10,877.44/x
  3. Step 3: Cross multiply
    18,836.70x = 25,990.26 × 10,877.44
  4. Step 4: Simplify right side
    18,836.70x = 282,707,493.73
  5. Step 5: Solve for x
    x = 282,707,493.73/18,836.70
  6. Step 6: Final answer
    x = 15,008.33

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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.