Home / 15,361.28-23,023.24-8,324.61

Finding the Fourth Proportional to 15,361.28, 23,023.24 and 8,324.61

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Solution

The fourth proportional to 15,361.28, 23,023.24 and 8,324.61 is: 12,476.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,361.28 : 23,023.24 = 8,324.61 : x
  2. Step 2: Convert to fraction form
    15,361.28/23,023.24 = 8,324.61/x
  3. Step 3: Cross multiply
    15,361.28x = 23,023.24 × 8,324.61
  4. Step 4: Simplify right side
    15,361.28x = 191,659,386.79
  5. Step 5: Solve for x
    x = 191,659,386.79/15,361.28
  6. Step 6: Final answer
    x = 12,476.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.