Home / 21,083.63-29,096.01-11,652.80

Finding the Fourth Proportional to 21,083.63, 29,096.01 and 11,652.80

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Solution

The fourth proportional to 21,083.63, 29,096.01 and 11,652.80 is: 16,081.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,083.63 : 29,096.01 = 11,652.80 : x
  2. Step 2: Convert to fraction form
    21,083.63/29,096.01 = 11,652.80/x
  3. Step 3: Cross multiply
    21,083.63x = 29,096.01 × 11,652.80
  4. Step 4: Simplify right side
    21,083.63x = 339,049,839.85
  5. Step 5: Solve for x
    x = 339,049,839.85/21,083.63
  6. Step 6: Final answer
    x = 16,081.19

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1.5x scale

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.