Home / 18,268.18-27,385.50-6,578.56

Finding the Fourth Proportional to 18,268.18, 27,385.50 and 6,578.56

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Solution

The fourth proportional to 18,268.18, 27,385.50 and 6,578.56 is: 9,861.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,268.18 : 27,385.50 = 6,578.56 : x
  2. Step 2: Convert to fraction form
    18,268.18/27,385.50 = 6,578.56/x
  3. Step 3: Cross multiply
    18,268.18x = 27,385.50 × 6,578.56
  4. Step 4: Simplify right side
    18,268.18x = 180,157,154.88
  5. Step 5: Solve for x
    x = 180,157,154.88/18,268.18
  6. Step 6: Final answer
    x = 9,861.80

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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.