Home / 10,328.90-15,493.60-2,537.78

Finding the Fourth Proportional to 10,328.90, 15,493.60 and 2,537.78

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Solution

The fourth proportional to 10,328.90, 15,493.60 and 2,537.78 is: 3,806.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328.90 : 15,493.60 = 2,537.78 : x
  2. Step 2: Convert to fraction form
    10,328.90/15,493.60 = 2,537.78/x
  3. Step 3: Cross multiply
    10,328.90x = 15,493.60 × 2,537.78
  4. Step 4: Simplify right side
    10,328.90x = 39,319,348.21
  5. Step 5: Solve for x
    x = 39,319,348.21/10,328.90
  6. Step 6: Final answer
    x = 3,806.73

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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.