Home / 20,649.82-30,974.73-14,753.56

Finding the Fourth Proportional to 20,649.82, 30,974.73 and 14,753.56

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Solution

The fourth proportional to 20,649.82, 30,974.73 and 14,753.56 is: 22,130.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,649.82 : 30,974.73 = 14,753.56 : x
  2. Step 2: Convert to fraction form
    20,649.82/30,974.73 = 14,753.56/x
  3. Step 3: Cross multiply
    20,649.82x = 30,974.73 × 14,753.56
  4. Step 4: Simplify right side
    20,649.82x = 456,987,537.54
  5. Step 5: Solve for x
    x = 456,987,537.54/20,649.82
  6. Step 6: Final answer
    x = 22,130.34

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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.