Home / 13,623.68-20,469.60-8,695.52

Finding the Fourth Proportional to 13,623.68, 20,469.60 and 8,695.52

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Solution

The fourth proportional to 13,623.68, 20,469.60 and 8,695.52 is: 13,065.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,623.68 : 20,469.60 = 8,695.52 : x
  2. Step 2: Convert to fraction form
    13,623.68/20,469.60 = 8,695.52/x
  3. Step 3: Cross multiply
    13,623.68x = 20,469.60 × 8,695.52
  4. Step 4: Simplify right side
    13,623.68x = 177,993,816.19
  5. Step 5: Solve for x
    x = 177,993,816.19/13,623.68
  6. Step 6: Final answer
    x = 13,065.03

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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.