Home / 13,614.22-20,421.48-4,253.86

Finding the Fourth Proportional to 13,614.22, 20,421.48 and 4,253.86

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Solution

The fourth proportional to 13,614.22, 20,421.48 and 4,253.86 is: 6,380.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614.22 : 20,421.48 = 4,253.86 : x
  2. Step 2: Convert to fraction form
    13,614.22/20,421.48 = 4,253.86/x
  3. Step 3: Cross multiply
    13,614.22x = 20,421.48 × 4,253.86
  4. Step 4: Simplify right side
    13,614.22x = 86,870,116.91
  5. Step 5: Solve for x
    x = 86,870,116.91/13,614.22
  6. Step 6: Final answer
    x = 6,380.84

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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.