Home / 13,632.26-20,450.76-5,316.80

Finding the Fourth Proportional to 13,632.26, 20,450.76 and 5,316.80

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Solution

The fourth proportional to 13,632.26, 20,450.76 and 5,316.80 is: 7,976.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,632.26 : 20,450.76 = 5,316.80 : x
  2. Step 2: Convert to fraction form
    13,632.26/20,450.76 = 5,316.80/x
  3. Step 3: Cross multiply
    13,632.26x = 20,450.76 × 5,316.80
  4. Step 4: Simplify right side
    13,632.26x = 108,732,600.77
  5. Step 5: Solve for x
    x = 108,732,600.77/13,632.26
  6. Step 6: Final answer
    x = 7,976.12

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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.