Home / 12,825.36-19,234.80-6,581.88

Finding the Fourth Proportional to 12,825.36, 19,234.80 and 6,581.88

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Solution

The fourth proportional to 12,825.36, 19,234.80 and 6,581.88 is: 9,871.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,825.36 : 19,234.80 = 6,581.88 : x
  2. Step 2: Convert to fraction form
    12,825.36/19,234.80 = 6,581.88/x
  3. Step 3: Cross multiply
    12,825.36x = 19,234.80 × 6,581.88
  4. Step 4: Simplify right side
    12,825.36x = 126,601,145.42
  5. Step 5: Solve for x
    x = 126,601,145.42/12,825.36
  6. Step 6: Final answer
    x = 9,871.16

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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.