Home / 21,786.45-32,676.59-6,993.42

Finding the Fourth Proportional to 21,786.45, 32,676.59 and 6,993.42

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Solution

The fourth proportional to 21,786.45, 32,676.59 and 6,993.42 is: 10,489.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,786.45 : 32,676.59 = 6,993.42 : x
  2. Step 2: Convert to fraction form
    21,786.45/32,676.59 = 6,993.42/x
  3. Step 3: Cross multiply
    21,786.45x = 32,676.59 × 6,993.42
  4. Step 4: Simplify right side
    21,786.45x = 228,521,118.04
  5. Step 5: Solve for x
    x = 228,521,118.04/21,786.45
  6. Step 6: Final answer
    x = 10,489.14

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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.