Home / 11,139.64-16,709.70-3,348.52

Finding the Fourth Proportional to 11,139.64, 16,709.70 and 3,348.52

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Solution

The fourth proportional to 11,139.64, 16,709.70 and 3,348.52 is: 5,022.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,139.64 : 16,709.70 = 3,348.52 : x
  2. Step 2: Convert to fraction form
    11,139.64/16,709.70 = 3,348.52/x
  3. Step 3: Cross multiply
    11,139.64x = 16,709.70 × 3,348.52
  4. Step 4: Simplify right side
    11,139.64x = 55,952,764.64
  5. Step 5: Solve for x
    x = 55,952,764.64/11,139.64
  6. Step 6: Final answer
    x = 5,022.85

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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.