Home / 15,414.22-21,273.65-11,446.66

Finding the Fourth Proportional to 15,414.22, 21,273.65 and 11,446.66

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Solution

The fourth proportional to 15,414.22, 21,273.65 and 11,446.66 is: 15,797.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,414.22 : 21,273.65 = 11,446.66 : x
  2. Step 2: Convert to fraction form
    15,414.22/21,273.65 = 11,446.66/x
  3. Step 3: Cross multiply
    15,414.22x = 21,273.65 × 11,446.66
  4. Step 4: Simplify right side
    15,414.22x = 243,512,238.51
  5. Step 5: Solve for x
    x = 243,512,238.51/15,414.22
  6. Step 6: Final answer
    x = 15,797.90

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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.