Home / 20,398.40-30,606.77-11,027.44

Finding the Fourth Proportional to 20,398.40, 30,606.77 and 11,027.44

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Solution

The fourth proportional to 20,398.40, 30,606.77 and 11,027.44 is: 16,546.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,398.40 : 30,606.77 = 11,027.44 : x
  2. Step 2: Convert to fraction form
    20,398.40/30,606.77 = 11,027.44/x
  3. Step 3: Cross multiply
    20,398.40x = 30,606.77 × 11,027.44
  4. Step 4: Simplify right side
    20,398.40x = 337,514,319.77
  5. Step 5: Solve for x
    x = 337,514,319.77/20,398.40
  6. Step 6: Final answer
    x = 16,546.12

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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.