Home / 11,193.19-16,789.78-3,402

Finding the Fourth Proportional to 11,193.19, 16,789.78 and 3,402

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Solution

The fourth proportional to 11,193.19, 16,789.78 and 3,402 is: 5,103

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,193.19 : 16,789.78 = 3,402 : x
  2. Step 2: Convert to fraction form
    11,193.19/16,789.78 = 3,402/x
  3. Step 3: Cross multiply
    11,193.19x = 16,789.78 × 3,402
  4. Step 4: Simplify right side
    11,193.19x = 57,118,835.81
  5. Step 5: Solve for x
    x = 57,118,835.81/11,193.19
  6. Step 6: Final answer
    x = 5,103

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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.