Home / 15,956.70-23,933.22-4,270.86

Finding the Fourth Proportional to 15,956.70, 23,933.22 and 4,270.86

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Solution

The fourth proportional to 15,956.70, 23,933.22 and 4,270.86 is: 6,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,956.70 : 23,933.22 = 4,270.86 : x
  2. Step 2: Convert to fraction form
    15,956.70/23,933.22 = 4,270.86/x
  3. Step 3: Cross multiply
    15,956.70x = 23,933.22 × 4,270.86
  4. Step 4: Simplify right side
    15,956.70x = 102,215,431.97
  5. Step 5: Solve for x
    x = 102,215,431.97/15,956.70
  6. Step 6: Final answer
    x = 6,405.80

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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.