Home / 22,954.40-34,431.53-12,954.61

Finding the Fourth Proportional to 22,954.40, 34,431.53 and 12,954.61

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Solution

The fourth proportional to 22,954.40, 34,431.53 and 12,954.61 is: 19,431.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,954.40 : 34,431.53 = 12,954.61 : x
  2. Step 2: Convert to fraction form
    22,954.40/34,431.53 = 12,954.61/x
  3. Step 3: Cross multiply
    22,954.40x = 34,431.53 × 12,954.61
  4. Step 4: Simplify right side
    22,954.40x = 446,047,042.85
  5. Step 5: Solve for x
    x = 446,047,042.85/22,954.40
  6. Step 6: Final answer
    x = 19,431.88

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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.