Home / 12,456.45-18,674.48-5,797.09

Finding the Fourth Proportional to 12,456.45, 18,674.48 and 5,797.09

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Solution

The fourth proportional to 12,456.45, 18,674.48 and 5,797.09 is: 8,690.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456.45 : 18,674.48 = 5,797.09 : x
  2. Step 2: Convert to fraction form
    12,456.45/18,674.48 = 5,797.09/x
  3. Step 3: Cross multiply
    12,456.45x = 18,674.48 × 5,797.09
  4. Step 4: Simplify right side
    12,456.45x = 108,257,609.07
  5. Step 5: Solve for x
    x = 108,257,609.07/12,456.45
  6. Step 6: Final answer
    x = 8,690.89

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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.