Home / 13,508.76-20,234.34-7,662.36

Finding the Fourth Proportional to 13,508.76, 20,234.34 and 7,662.36

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Solution

The fourth proportional to 13,508.76, 20,234.34 and 7,662.36 is: 11,477.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508.76 : 20,234.34 = 7,662.36 : x
  2. Step 2: Convert to fraction form
    13,508.76/20,234.34 = 7,662.36/x
  3. Step 3: Cross multiply
    13,508.76x = 20,234.34 × 7,662.36
  4. Step 4: Simplify right side
    13,508.76x = 155,042,797.44
  5. Step 5: Solve for x
    x = 155,042,797.44/13,508.76
  6. Step 6: Final answer
    x = 11,477.20

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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.