Home / 15,083.46-20,816.46-8,371.26

Finding the Fourth Proportional to 15,083.46, 20,816.46 and 8,371.26

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Solution

The fourth proportional to 15,083.46, 20,816.46 and 8,371.26 is: 11,553.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,083.46 : 20,816.46 = 8,371.26 : x
  2. Step 2: Convert to fraction form
    15,083.46/20,816.46 = 8,371.26/x
  3. Step 3: Cross multiply
    15,083.46x = 20,816.46 × 8,371.26
  4. Step 4: Simplify right side
    15,083.46x = 174,259,998.94
  5. Step 5: Solve for x
    x = 174,259,998.94/15,083.46
  6. Step 6: Final answer
    x = 11,553.05

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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.