Home / 12,326.92-18,490.26-3,561.76

Finding the Fourth Proportional to 12,326.92, 18,490.26 and 3,561.76

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Solution

The fourth proportional to 12,326.92, 18,490.26 and 3,561.76 is: 5,342.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,326.92 : 18,490.26 = 3,561.76 : x
  2. Step 2: Convert to fraction form
    12,326.92/18,490.26 = 3,561.76/x
  3. Step 3: Cross multiply
    12,326.92x = 18,490.26 × 3,561.76
  4. Step 4: Simplify right side
    12,326.92x = 65,857,868.46
  5. Step 5: Solve for x
    x = 65,857,868.46/12,326.92
  6. Step 6: Final answer
    x = 5,342.61

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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.