Home / 15,414.20-21,273.48-9,446.72

Finding the Fourth Proportional to 15,414.20, 21,273.48 and 9,446.72

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Solution

The fourth proportional to 15,414.20, 21,273.48 and 9,446.72 is: 13,037.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,414.20 : 21,273.48 = 9,446.72 : x
  2. Step 2: Convert to fraction form
    15,414.20/21,273.48 = 9,446.72/x
  3. Step 3: Cross multiply
    15,414.20x = 21,273.48 × 9,446.72
  4. Step 4: Simplify right side
    15,414.20x = 200,964,608.99
  5. Step 5: Solve for x
    x = 200,964,608.99/15,414.20
  6. Step 6: Final answer
    x = 13,037.63

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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.