Home / 21,650.40-32,456.16-11,269.44

Finding the Fourth Proportional to 21,650.40, 32,456.16 and 11,269.44

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Solution

The fourth proportional to 21,650.40, 32,456.16 and 11,269.44 is: 16,894.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,650.40 : 32,456.16 = 11,269.44 : x
  2. Step 2: Convert to fraction form
    21,650.40/32,456.16 = 11,269.44/x
  3. Step 3: Cross multiply
    21,650.40x = 32,456.16 × 11,269.44
  4. Step 4: Simplify right side
    21,650.40x = 365,762,747.75
  5. Step 5: Solve for x
    x = 365,762,747.75/21,650.40
  6. Step 6: Final answer
    x = 16,894.04

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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.