Home / 12,340.46-18,502.32-8,167.62

Finding the Fourth Proportional to 12,340.46, 18,502.32 and 8,167.62

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Solution

The fourth proportional to 12,340.46, 18,502.32 and 8,167.62 is: 12,245.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,340.46 : 18,502.32 = 8,167.62 : x
  2. Step 2: Convert to fraction form
    12,340.46/18,502.32 = 8,167.62/x
  3. Step 3: Cross multiply
    12,340.46x = 18,502.32 × 8,167.62
  4. Step 4: Simplify right side
    12,340.46x = 151,119,918.88
  5. Step 5: Solve for x
    x = 151,119,918.88/12,340.46
  6. Step 6: Final answer
    x = 12,245.89

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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.