Home / 11,009.16-16,515.21-3,217.86

Finding the Fourth Proportional to 11,009.16, 16,515.21 and 3,217.86

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Solution

The fourth proportional to 11,009.16, 16,515.21 and 3,217.86 is: 4,827.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,009.16 : 16,515.21 = 3,217.86 : x
  2. Step 2: Convert to fraction form
    11,009.16/16,515.21 = 3,217.86/x
  3. Step 3: Cross multiply
    11,009.16x = 16,515.21 × 3,217.86
  4. Step 4: Simplify right side
    11,009.16x = 53,143,633.65
  5. Step 5: Solve for x
    x = 53,143,633.65/11,009.16
  6. Step 6: Final answer
    x = 4,827.22

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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.