Home / 15,371.70-21,205.17-11,833.62

Finding the Fourth Proportional to 15,371.70, 21,205.17 and 11,833.62

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Solution

The fourth proportional to 15,371.70, 21,205.17 and 11,833.62 is: 16,324.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,371.70 : 21,205.17 = 11,833.62 : x
  2. Step 2: Convert to fraction form
    15,371.70/21,205.17 = 11,833.62/x
  3. Step 3: Cross multiply
    15,371.70x = 21,205.17 × 11,833.62
  4. Step 4: Simplify right side
    15,371.70x = 250,933,923.82
  5. Step 5: Solve for x
    x = 250,933,923.82/15,371.70
  6. Step 6: Final answer
    x = 16,324.41

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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.