Home / 13,641.45-20,441.27-9,182.62

Finding the Fourth Proportional to 13,641.45, 20,441.27 and 9,182.62

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Solution

The fourth proportional to 13,641.45, 20,441.27 and 9,182.62 is: 13,759.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,641.45 : 20,441.27 = 9,182.62 : x
  2. Step 2: Convert to fraction form
    13,641.45/20,441.27 = 9,182.62/x
  3. Step 3: Cross multiply
    13,641.45x = 20,441.27 × 9,182.62
  4. Step 4: Simplify right side
    13,641.45x = 187,704,414.73
  5. Step 5: Solve for x
    x = 187,704,414.73/13,641.45
  6. Step 6: Final answer
    x = 13,759.86

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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.