Home / 21,341.92-29,452.02-11,910.52

Finding the Fourth Proportional to 21,341.92, 29,452.02 and 11,910.52

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Solution

The fourth proportional to 21,341.92, 29,452.02 and 11,910.52 is: 16,436.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,341.92 : 29,452.02 = 11,910.52 : x
  2. Step 2: Convert to fraction form
    21,341.92/29,452.02 = 11,910.52/x
  3. Step 3: Cross multiply
    21,341.92x = 29,452.02 × 11,910.52
  4. Step 4: Simplify right side
    21,341.92x = 350,788,873.25
  5. Step 5: Solve for x
    x = 350,788,873.25/21,341.92
  6. Step 6: Final answer
    x = 16,436.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.