Home / 11,079.92-16,619.16-4,065.20

Finding the Fourth Proportional to 11,079.92, 16,619.16 and 4,065.20

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Solution

The fourth proportional to 11,079.92, 16,619.16 and 4,065.20 is: 6,097.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,079.92 : 16,619.16 = 4,065.20 : x
  2. Step 2: Convert to fraction form
    11,079.92/16,619.16 = 4,065.20/x
  3. Step 3: Cross multiply
    11,079.92x = 16,619.16 × 4,065.20
  4. Step 4: Simplify right side
    11,079.92x = 67,560,209.23
  5. Step 5: Solve for x
    x = 67,560,209.23/11,079.92
  6. Step 6: Final answer
    x = 6,097.54

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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.