Home / 12,394.23-17,096.89-7,912.93

Finding the Fourth Proportional to 12,394.23, 17,096.89 and 7,912.93

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Solution

The fourth proportional to 12,394.23, 17,096.89 and 7,912.93 is: 10,915.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,394.23 : 17,096.89 = 7,912.93 : x
  2. Step 2: Convert to fraction form
    12,394.23/17,096.89 = 7,912.93/x
  3. Step 3: Cross multiply
    12,394.23x = 17,096.89 × 7,912.93
  4. Step 4: Simplify right side
    12,394.23x = 135,286,493.79
  5. Step 5: Solve for x
    x = 135,286,493.79/12,394.23
  6. Step 6: Final answer
    x = 10,915.28

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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.