Home / 11,155.08-16,738.08-4,491.30

Finding the Fourth Proportional to 11,155.08, 16,738.08 and 4,491.30

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Solution

The fourth proportional to 11,155.08, 16,738.08 and 4,491.30 is: 6,739.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,155.08 : 16,738.08 = 4,491.30 : x
  2. Step 2: Convert to fraction form
    11,155.08/16,738.08 = 4,491.30/x
  3. Step 3: Cross multiply
    11,155.08x = 16,738.08 × 4,491.30
  4. Step 4: Simplify right side
    11,155.08x = 75,175,738.70
  5. Step 5: Solve for x
    x = 75,175,738.70/11,155.08
  6. Step 6: Final answer
    x = 6,739.15

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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.