Home / 19,768.37-29,649.47-6,620.85

Finding the Fourth Proportional to 19,768.37, 29,649.47 and 6,620.85

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Solution

The fourth proportional to 19,768.37, 29,649.47 and 6,620.85 is: 9,930.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,768.37 : 29,649.47 = 6,620.85 : x
  2. Step 2: Convert to fraction form
    19,768.37/29,649.47 = 6,620.85/x
  3. Step 3: Cross multiply
    19,768.37x = 29,649.47 × 6,620.85
  4. Step 4: Simplify right side
    19,768.37x = 196,304,660.35
  5. Step 5: Solve for x
    x = 196,304,660.35/19,768.37
  6. Step 6: Final answer
    x = 9,930.24

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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.