Home / 12,724.48-19,086.72-6,568.96

Finding the Fourth Proportional to 12,724.48, 19,086.72 and 6,568.96

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Solution

The fourth proportional to 12,724.48, 19,086.72 and 6,568.96 is: 9,853.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,724.48 : 19,086.72 = 6,568.96 : x
  2. Step 2: Convert to fraction form
    12,724.48/19,086.72 = 6,568.96/x
  3. Step 3: Cross multiply
    12,724.48x = 19,086.72 × 6,568.96
  4. Step 4: Simplify right side
    12,724.48x = 125,379,900.21
  5. Step 5: Solve for x
    x = 125,379,900.21/12,724.48
  6. Step 6: Final answer
    x = 9,853.44

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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.