Home / 11,205.12-16,807.67-3,814.88

Finding the Fourth Proportional to 11,205.12, 16,807.67 and 3,814.88

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Solution

The fourth proportional to 11,205.12, 16,807.67 and 3,814.88 is: 5,722.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205.12 : 16,807.67 = 3,814.88 : x
  2. Step 2: Convert to fraction form
    11,205.12/16,807.67 = 3,814.88/x
  3. Step 3: Cross multiply
    11,205.12x = 16,807.67 × 3,814.88
  4. Step 4: Simplify right side
    11,205.12x = 64,119,211.65
  5. Step 5: Solve for x
    x = 64,119,211.65/11,205.12
  6. Step 6: Final answer
    x = 5,722.32

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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.