Home / 11,261.59-16,890.39-3,363.89

Finding the Fourth Proportional to 11,261.59, 16,890.39 and 3,363.89

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Solution

The fourth proportional to 11,261.59, 16,890.39 and 3,363.89 is: 5,045.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.59 : 16,890.39 = 3,363.89 : x
  2. Step 2: Convert to fraction form
    11,261.59/16,890.39 = 3,363.89/x
  3. Step 3: Cross multiply
    11,261.59x = 16,890.39 × 3,363.89
  4. Step 4: Simplify right side
    11,261.59x = 56,817,329.57
  5. Step 5: Solve for x
    x = 56,817,329.57/11,261.59
  6. Step 6: Final answer
    x = 5,045.23

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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.