Home / 19,786.82-29,676.51-9,923.45

Finding the Fourth Proportional to 19,786.82, 29,676.51 and 9,923.45

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Solution

The fourth proportional to 19,786.82, 29,676.51 and 9,923.45 is: 14,883.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,786.82 : 29,676.51 = 9,923.45 : x
  2. Step 2: Convert to fraction form
    19,786.82/29,676.51 = 9,923.45/x
  3. Step 3: Cross multiply
    19,786.82x = 29,676.51 × 9,923.45
  4. Step 4: Simplify right side
    19,786.82x = 294,493,214.78
  5. Step 5: Solve for x
    x = 294,493,214.78/19,786.82
  6. Step 6: Final answer
    x = 14,883.31

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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.