Home / 12,932.48-19,351.20-8,004.80

Finding the Fourth Proportional to 12,932.48, 19,351.20 and 8,004.80

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Solution

The fourth proportional to 12,932.48, 19,351.20 and 8,004.80 is: 11,977.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,932.48 : 19,351.20 = 8,004.80 : x
  2. Step 2: Convert to fraction form
    12,932.48/19,351.20 = 8,004.80/x
  3. Step 3: Cross multiply
    12,932.48x = 19,351.20 × 8,004.80
  4. Step 4: Simplify right side
    12,932.48x = 154,902,485.76
  5. Step 5: Solve for x
    x = 154,902,485.76/12,932.48
  6. Step 6: Final answer
    x = 11,977.79

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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.