Home / 21,195.66-29,251.38-11,764.22

Finding the Fourth Proportional to 21,195.66, 29,251.38 and 11,764.22

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Solution

The fourth proportional to 21,195.66, 29,251.38 and 11,764.22 is: 16,235.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,195.66 : 29,251.38 = 11,764.22 : x
  2. Step 2: Convert to fraction form
    21,195.66/29,251.38 = 11,764.22/x
  3. Step 3: Cross multiply
    21,195.66x = 29,251.38 × 11,764.22
  4. Step 4: Simplify right side
    21,195.66x = 344,119,523.37
  5. Step 5: Solve for x
    x = 344,119,523.37/21,195.66
  6. Step 6: Final answer
    x = 16,235.38

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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.