Home / 13,629.53-20,444.27-3,768.80

Finding the Fourth Proportional to 13,629.53, 20,444.27 and 3,768.80

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Solution

The fourth proportional to 13,629.53, 20,444.27 and 3,768.80 is: 5,653.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,629.53 : 20,444.27 = 3,768.80 : x
  2. Step 2: Convert to fraction form
    13,629.53/20,444.27 = 3,768.80/x
  3. Step 3: Cross multiply
    13,629.53x = 20,444.27 × 3,768.80
  4. Step 4: Simplify right side
    13,629.53x = 77,050,243.71
  5. Step 5: Solve for x
    x = 77,050,243.71/13,629.53
  6. Step 6: Final answer
    x = 5,653.18

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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.