Home / 21,304.98-29,402.17-11,744.87

Finding the Fourth Proportional to 21,304.98, 29,402.17 and 11,744.87

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Solution

The fourth proportional to 21,304.98, 29,402.17 and 11,744.87 is: 16,208.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,304.98 : 29,402.17 = 11,744.87 : x
  2. Step 2: Convert to fraction form
    21,304.98/29,402.17 = 11,744.87/x
  3. Step 3: Cross multiply
    21,304.98x = 29,402.17 × 11,744.87
  4. Step 4: Simplify right side
    21,304.98x = 345,324,487.99
  5. Step 5: Solve for x
    x = 345,324,487.99/21,304.98
  6. Step 6: Final answer
    x = 16,208.63

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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.