Home / 15,096.18-22,667.97-12,786.47

Finding the Fourth Proportional to 15,096.18, 22,667.97 and 12,786.47

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Solution

The fourth proportional to 15,096.18, 22,667.97 and 12,786.47 is: 19,199.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,096.18 : 22,667.97 = 12,786.47 : x
  2. Step 2: Convert to fraction form
    15,096.18/22,667.97 = 12,786.47/x
  3. Step 3: Cross multiply
    15,096.18x = 22,667.97 × 12,786.47
  4. Step 4: Simplify right side
    15,096.18x = 289,843,318.37
  5. Step 5: Solve for x
    x = 289,843,318.37/15,096.18
  6. Step 6: Final answer
    x = 19,199.78

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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.