Home / 12,262.46-18,379.26-5,674.72

Finding the Fourth Proportional to 12,262.46, 18,379.26 and 5,674.72

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Solution

The fourth proportional to 12,262.46, 18,379.26 and 5,674.72 is: 8,505.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,262.46 : 18,379.26 = 5,674.72 : x
  2. Step 2: Convert to fraction form
    12,262.46/18,379.26 = 5,674.72/x
  3. Step 3: Cross multiply
    12,262.46x = 18,379.26 × 5,674.72
  4. Step 4: Simplify right side
    12,262.46x = 104,297,154.31
  5. Step 5: Solve for x
    x = 104,297,154.31/12,262.46
  6. Step 6: Final answer
    x = 8,505.40

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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.