Home / 15,366.28-21,205.50-8,652

Finding the Fourth Proportional to 15,366.28, 21,205.50 and 8,652

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Solution

The fourth proportional to 15,366.28, 21,205.50 and 8,652 is: 11,939.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,366.28 : 21,205.50 = 8,652 : x
  2. Step 2: Convert to fraction form
    15,366.28/21,205.50 = 8,652/x
  3. Step 3: Cross multiply
    15,366.28x = 21,205.50 × 8,652
  4. Step 4: Simplify right side
    15,366.28x = 183,469,986
  5. Step 5: Solve for x
    x = 183,469,986/15,366.28
  6. Step 6: Final answer
    x = 11,939.78

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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.