Home / 11,206.29-16,811.87-3,415.71

Finding the Fourth Proportional to 11,206.29, 16,811.87 and 3,415.71

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Solution

The fourth proportional to 11,206.29, 16,811.87 and 3,415.71 is: 5,124.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,206.29 : 16,811.87 = 3,415.71 : x
  2. Step 2: Convert to fraction form
    11,206.29/16,811.87 = 3,415.71/x
  3. Step 3: Cross multiply
    11,206.29x = 16,811.87 × 3,415.71
  4. Step 4: Simplify right side
    11,206.29x = 57,424,455.40
  5. Step 5: Solve for x
    x = 57,424,455.40/11,206.29
  6. Step 6: Final answer
    x = 5,124.31

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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.