Home / 13,795.38-20,653.11-12,370.86

Finding the Fourth Proportional to 13,795.38, 20,653.11 and 12,370.86

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Solution

The fourth proportional to 13,795.38, 20,653.11 and 12,370.86 is: 18,520.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,795.38 : 20,653.11 = 12,370.86 : x
  2. Step 2: Convert to fraction form
    13,795.38/20,653.11 = 12,370.86/x
  3. Step 3: Cross multiply
    13,795.38x = 20,653.11 × 12,370.86
  4. Step 4: Simplify right side
    13,795.38x = 255,496,732.37
  5. Step 5: Solve for x
    x = 255,496,732.37/13,795.38
  6. Step 6: Final answer
    x = 18,520.46

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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.