Home / 10,364.70-15,537.42-3,789.38

Finding the Fourth Proportional to 10,364.70, 15,537.42 and 3,789.38

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Solution

The fourth proportional to 10,364.70, 15,537.42 and 3,789.38 is: 5,680.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,364.70 : 15,537.42 = 3,789.38 : x
  2. Step 2: Convert to fraction form
    10,364.70/15,537.42 = 3,789.38/x
  3. Step 3: Cross multiply
    10,364.70x = 15,537.42 × 3,789.38
  4. Step 4: Simplify right side
    10,364.70x = 58,877,188.60
  5. Step 5: Solve for x
    x = 58,877,188.60/10,364.70
  6. Step 6: Final answer
    x = 5,680.55

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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.