Home / 22,308.68-30,786.66-12,237.88

Finding the Fourth Proportional to 22,308.68, 30,786.66 and 12,237.88

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Solution

The fourth proportional to 22,308.68, 30,786.66 and 12,237.88 is: 16,888.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,308.68 : 30,786.66 = 12,237.88 : x
  2. Step 2: Convert to fraction form
    22,308.68/30,786.66 = 12,237.88/x
  3. Step 3: Cross multiply
    22,308.68x = 30,786.66 × 12,237.88
  4. Step 4: Simplify right side
    22,308.68x = 376,763,450.68
  5. Step 5: Solve for x
    x = 376,763,450.68/22,308.68
  6. Step 6: Final answer
    x = 16,888.65

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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.