Home / 21,264.36-29,343.24-11,704.20

Finding the Fourth Proportional to 21,264.36, 29,343.24 and 11,704.20

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Solution

The fourth proportional to 21,264.36, 29,343.24 and 11,704.20 is: 16,150.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,264.36 : 29,343.24 = 11,704.20 : x
  2. Step 2: Convert to fraction form
    21,264.36/29,343.24 = 11,704.20/x
  3. Step 3: Cross multiply
    21,264.36x = 29,343.24 × 11,704.20
  4. Step 4: Simplify right side
    21,264.36x = 343,439,149.61
  5. Step 5: Solve for x
    x = 343,439,149.61/21,264.36
  6. Step 6: Final answer
    x = 16,150.93

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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.