Home / 13,441.18-20,167.29-5,940.78

Finding the Fourth Proportional to 13,441.18, 20,167.29 and 5,940.78

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Solution

The fourth proportional to 13,441.18, 20,167.29 and 5,940.78 is: 8,913.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.18 : 20,167.29 = 5,940.78 : x
  2. Step 2: Convert to fraction form
    13,441.18/20,167.29 = 5,940.78/x
  3. Step 3: Cross multiply
    13,441.18x = 20,167.29 × 5,940.78
  4. Step 4: Simplify right side
    13,441.18x = 119,809,450.89
  5. Step 5: Solve for x
    x = 119,809,450.89/13,441.18
  6. Step 6: Final answer
    x = 8,913.61

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1.5x scale

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.