Home / 21,082.55-29,092.77-11,650.50

Finding the Fourth Proportional to 21,082.55, 29,092.77 and 11,650.50

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Solution

The fourth proportional to 21,082.55, 29,092.77 and 11,650.50 is: 16,077.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,082.55 : 29,092.77 = 11,650.50 : x
  2. Step 2: Convert to fraction form
    21,082.55/29,092.77 = 11,650.50/x
  3. Step 3: Cross multiply
    21,082.55x = 29,092.77 × 11,650.50
  4. Step 4: Simplify right side
    21,082.55x = 338,945,316.89
  5. Step 5: Solve for x
    x = 338,945,316.89/21,082.55
  6. Step 6: Final answer
    x = 16,077.06

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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.