Home / 22,731.82-34,113.30-7,940.72

Finding the Fourth Proportional to 22,731.82, 34,113.30 and 7,940.72

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Solution

The fourth proportional to 22,731.82, 34,113.30 and 7,940.72 is: 11,916.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,731.82 : 34,113.30 = 7,940.72 : x
  2. Step 2: Convert to fraction form
    22,731.82/34,113.30 = 7,940.72/x
  3. Step 3: Cross multiply
    22,731.82x = 34,113.30 × 7,940.72
  4. Step 4: Simplify right side
    22,731.82x = 270,884,163.58
  5. Step 5: Solve for x
    x = 270,884,163.58/22,731.82
  6. Step 6: Final answer
    x = 11,916.52

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1.5x scale

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.