Home / 13,655.88-20,481.44-3,792.52

Finding the Fourth Proportional to 13,655.88, 20,481.44 and 3,792.52

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Solution

The fourth proportional to 13,655.88, 20,481.44 and 3,792.52 is: 5,688.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,655.88 : 20,481.44 = 3,792.52 : x
  2. Step 2: Convert to fraction form
    13,655.88/20,481.44 = 3,792.52/x
  3. Step 3: Cross multiply
    13,655.88x = 20,481.44 × 3,792.52
  4. Step 4: Simplify right side
    13,655.88x = 77,676,270.83
  5. Step 5: Solve for x
    x = 77,676,270.83/13,655.88
  6. Step 6: Final answer
    x = 5,688.12

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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.