Home / 13,446.07-20,171.63-4,086.92

Finding the Fourth Proportional to 13,446.07, 20,171.63 and 4,086.92

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Solution

The fourth proportional to 13,446.07, 20,171.63 and 4,086.92 is: 6,131.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,446.07 : 20,171.63 = 4,086.92 : x
  2. Step 2: Convert to fraction form
    13,446.07/20,171.63 = 4,086.92/x
  3. Step 3: Cross multiply
    13,446.07x = 20,171.63 × 4,086.92
  4. Step 4: Simplify right side
    13,446.07x = 82,439,898.73
  5. Step 5: Solve for x
    x = 82,439,898.73/13,446.07
  6. Step 6: Final answer
    x = 6,131.15

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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.