Home / 12,116.24-18,176.79-4,324.85

Finding the Fourth Proportional to 12,116.24, 18,176.79 and 4,324.85

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Solution

The fourth proportional to 12,116.24, 18,176.79 and 4,324.85 is: 6,488.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,116.24 : 18,176.79 = 4,324.85 : x
  2. Step 2: Convert to fraction form
    12,116.24/18,176.79 = 4,324.85/x
  3. Step 3: Cross multiply
    12,116.24x = 18,176.79 × 4,324.85
  4. Step 4: Simplify right side
    12,116.24x = 78,611,799.35
  5. Step 5: Solve for x
    x = 78,611,799.35/12,116.24
  6. Step 6: Final answer
    x = 6,488.14

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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.