Home / 11,031.94-16,550.66-3,240.75

Finding the Fourth Proportional to 11,031.94, 16,550.66 and 3,240.75

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Solution

The fourth proportional to 11,031.94, 16,550.66 and 3,240.75 is: 4,861.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,031.94 : 16,550.66 = 3,240.75 : x
  2. Step 2: Convert to fraction form
    11,031.94/16,550.66 = 3,240.75/x
  3. Step 3: Cross multiply
    11,031.94x = 16,550.66 × 3,240.75
  4. Step 4: Simplify right side
    11,031.94x = 53,636,551.40
  5. Step 5: Solve for x
    x = 53,636,551.40/11,031.94
  6. Step 6: Final answer
    x = 4,861.93

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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.