Home / 12,942.56-19,416.54-6,283.82

Finding the Fourth Proportional to 12,942.56, 19,416.54 and 6,283.82

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Solution

The fourth proportional to 12,942.56, 19,416.54 and 6,283.82 is: 9,427.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,942.56 : 19,416.54 = 6,283.82 : x
  2. Step 2: Convert to fraction form
    12,942.56/19,416.54 = 6,283.82/x
  3. Step 3: Cross multiply
    12,942.56x = 19,416.54 × 6,283.82
  4. Step 4: Simplify right side
    12,942.56x = 122,010,042.38
  5. Step 5: Solve for x
    x = 122,010,042.38/12,942.56
  6. Step 6: Final answer
    x = 9,427.04

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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.