Home / 11,289.21-16,936.24-5,368.11

Finding the Fourth Proportional to 11,289.21, 16,936.24 and 5,368.11

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Solution

The fourth proportional to 11,289.21, 16,936.24 and 5,368.11 is: 8,053.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,289.21 : 16,936.24 = 5,368.11 : x
  2. Step 2: Convert to fraction form
    11,289.21/16,936.24 = 5,368.11/x
  3. Step 3: Cross multiply
    11,289.21x = 16,936.24 × 5,368.11
  4. Step 4: Simplify right side
    11,289.21x = 90,915,514.63
  5. Step 5: Solve for x
    x = 90,915,514.63/11,289.21
  6. Step 6: Final answer
    x = 8,053.31

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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.