Home / 13,632.53-20,448.76-3,771.80

Finding the Fourth Proportional to 13,632.53, 20,448.76 and 3,771.80

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Solution

The fourth proportional to 13,632.53, 20,448.76 and 3,771.80 is: 5,657.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,632.53 : 20,448.76 = 3,771.80 : x
  2. Step 2: Convert to fraction form
    13,632.53/20,448.76 = 3,771.80/x
  3. Step 3: Cross multiply
    13,632.53x = 20,448.76 × 3,771.80
  4. Step 4: Simplify right side
    13,632.53x = 77,128,632.97
  5. Step 5: Solve for x
    x = 77,128,632.97/13,632.53
  6. Step 6: Final answer
    x = 5,657.69

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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.