Home / 11,155.49-16,723.30-4,234.85

Finding the Fourth Proportional to 11,155.49, 16,723.30 and 4,234.85

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Solution

The fourth proportional to 11,155.49, 16,723.30 and 4,234.85 is: 6,348.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,155.49 : 16,723.30 = 4,234.85 : x
  2. Step 2: Convert to fraction form
    11,155.49/16,723.30 = 4,234.85/x
  3. Step 3: Cross multiply
    11,155.49x = 16,723.30 × 4,234.85
  4. Step 4: Simplify right side
    11,155.49x = 70,820,667.01
  5. Step 5: Solve for x
    x = 70,820,667.01/11,155.49
  6. Step 6: Final answer
    x = 6,348.50

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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.