Home / 13,267.41-18,298.82-8,234.61

Finding the Fourth Proportional to 13,267.41, 18,298.82 and 8,234.61

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Solution

The fourth proportional to 13,267.41, 18,298.82 and 8,234.61 is: 11,357.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267.41 : 18,298.82 = 8,234.61 : x
  2. Step 2: Convert to fraction form
    13,267.41/18,298.82 = 8,234.61/x
  3. Step 3: Cross multiply
    13,267.41x = 18,298.82 × 8,234.61
  4. Step 4: Simplify right side
    13,267.41x = 150,683,604.99
  5. Step 5: Solve for x
    x = 150,683,604.99/13,267.41
  6. Step 6: Final answer
    x = 11,357.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.