Home / 11,210.20-16,814.76-4,189.64

Finding the Fourth Proportional to 11,210.20, 16,814.76 and 4,189.64

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Solution

The fourth proportional to 11,210.20, 16,814.76 and 4,189.64 is: 6,284.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210.20 : 16,814.76 = 4,189.64 : x
  2. Step 2: Convert to fraction form
    11,210.20/16,814.76 = 4,189.64/x
  3. Step 3: Cross multiply
    11,210.20x = 16,814.76 × 4,189.64
  4. Step 4: Simplify right side
    11,210.20x = 70,447,791.09
  5. Step 5: Solve for x
    x = 70,447,791.09/11,210.20
  6. Step 6: Final answer
    x = 6,284.26

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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.