Home / 21,395.19-29,524.50-11,704.49

Finding the Fourth Proportional to 21,395.19, 29,524.50 and 11,704.49

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Solution

The fourth proportional to 21,395.19, 29,524.50 and 11,704.49 is: 16,151.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,395.19 : 29,524.50 = 11,704.49 : x
  2. Step 2: Convert to fraction form
    21,395.19/29,524.50 = 11,704.49/x
  3. Step 3: Cross multiply
    21,395.19x = 29,524.50 × 11,704.49
  4. Step 4: Simplify right side
    21,395.19x = 345,569,237.28
  5. Step 5: Solve for x
    x = 345,569,237.28/21,395.19
  6. Step 6: Final answer
    x = 16,151.72

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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.