Home / 13,385.86-20,052.01-6,372.68

Finding the Fourth Proportional to 13,385.86, 20,052.01 and 6,372.68

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Solution

The fourth proportional to 13,385.86, 20,052.01 and 6,372.68 is: 9,546.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,385.86 : 20,052.01 = 6,372.68 : x
  2. Step 2: Convert to fraction form
    13,385.86/20,052.01 = 6,372.68/x
  3. Step 3: Cross multiply
    13,385.86x = 20,052.01 × 6,372.68
  4. Step 4: Simplify right side
    13,385.86x = 127,784,914.95
  5. Step 5: Solve for x
    x = 127,784,914.95/13,385.86
  6. Step 6: Final answer
    x = 9,546.26

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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.