Home / 21,812.51-32,694.24-11,108.83

Finding the Fourth Proportional to 21,812.51, 32,694.24 and 11,108.83

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Solution

The fourth proportional to 21,812.51, 32,694.24 and 11,108.83 is: 16,650.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,812.51 : 32,694.24 = 11,108.83 : x
  2. Step 2: Convert to fraction form
    21,812.51/32,694.24 = 11,108.83/x
  3. Step 3: Cross multiply
    21,812.51x = 32,694.24 × 11,108.83
  4. Step 4: Simplify right side
    21,812.51x = 363,194,754.14
  5. Step 5: Solve for x
    x = 363,194,754.14/21,812.51
  6. Step 6: Final answer
    x = 16,650.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.