Home / 13,742.68-20,614.38-3,883

Finding the Fourth Proportional to 13,742.68, 20,614.38 and 3,883

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Solution

The fourth proportional to 13,742.68, 20,614.38 and 3,883 is: 5,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,742.68 : 20,614.38 = 3,883 : x
  2. Step 2: Convert to fraction form
    13,742.68/20,614.38 = 3,883/x
  3. Step 3: Cross multiply
    13,742.68x = 20,614.38 × 3,883
  4. Step 4: Simplify right side
    13,742.68x = 80,045,637.54
  5. Step 5: Solve for x
    x = 80,045,637.54/13,742.68
  6. Step 6: Final answer
    x = 5,824.60

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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.