Home / 10,391.90-15,587.94-2,996.38

Finding the Fourth Proportional to 10,391.90, 15,587.94 and 2,996.38

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Solution

The fourth proportional to 10,391.90, 15,587.94 and 2,996.38 is: 4,494.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,391.90 : 15,587.94 = 2,996.38 : x
  2. Step 2: Convert to fraction form
    10,391.90/15,587.94 = 2,996.38/x
  3. Step 3: Cross multiply
    10,391.90x = 15,587.94 × 2,996.38
  4. Step 4: Simplify right side
    10,391.90x = 46,707,313.72
  5. Step 5: Solve for x
    x = 46,707,313.72/10,391.90
  6. Step 6: Final answer
    x = 4,494.59

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.