Home / 11,209.24-16,814.64-3,423.52

Finding the Fourth Proportional to 11,209.24, 16,814.64 and 3,423.52

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Solution

The fourth proportional to 11,209.24, 16,814.64 and 3,423.52 is: 5,135.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209.24 : 16,814.64 = 3,423.52 : x
  2. Step 2: Convert to fraction form
    11,209.24/16,814.64 = 3,423.52/x
  3. Step 3: Cross multiply
    11,209.24x = 16,814.64 × 3,423.52
  4. Step 4: Simplify right side
    11,209.24x = 57,565,256.33
  5. Step 5: Solve for x
    x = 57,565,256.33/11,209.24
  6. Step 6: Final answer
    x = 5,135.52

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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.