Home / 12,289.26-18,433.92-4,493.82

Finding the Fourth Proportional to 12,289.26, 18,433.92 and 4,493.82

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Solution

The fourth proportional to 12,289.26, 18,433.92 and 4,493.82 is: 6,740.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,289.26 : 18,433.92 = 4,493.82 : x
  2. Step 2: Convert to fraction form
    12,289.26/18,433.92 = 4,493.82/x
  3. Step 3: Cross multiply
    12,289.26x = 18,433.92 × 4,493.82
  4. Step 4: Simplify right side
    12,289.26x = 82,838,718.37
  5. Step 5: Solve for x
    x = 82,838,718.37/12,289.26
  6. Step 6: Final answer
    x = 6,740.74

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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.