Home / 13,008.08-19,512.44-4,243.92

Finding the Fourth Proportional to 13,008.08, 19,512.44 and 4,243.92

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Solution

The fourth proportional to 13,008.08, 19,512.44 and 4,243.92 is: 6,365.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008.08 : 19,512.44 = 4,243.92 : x
  2. Step 2: Convert to fraction form
    13,008.08/19,512.44 = 4,243.92/x
  3. Step 3: Cross multiply
    13,008.08x = 19,512.44 × 4,243.92
  4. Step 4: Simplify right side
    13,008.08x = 82,809,234.36
  5. Step 5: Solve for x
    x = 82,809,234.36/13,008.08
  6. Step 6: Final answer
    x = 6,365.98

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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.