Home / 13,731.18-20,596.78-3,342.84

Finding the Fourth Proportional to 13,731.18, 20,596.78 and 3,342.84

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Solution

The fourth proportional to 13,731.18, 20,596.78 and 3,342.84 is: 5,014.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,731.18 : 20,596.78 = 3,342.84 : x
  2. Step 2: Convert to fraction form
    13,731.18/20,596.78 = 3,342.84/x
  3. Step 3: Cross multiply
    13,731.18x = 20,596.78 × 3,342.84
  4. Step 4: Simplify right side
    13,731.18x = 68,851,740.06
  5. Step 5: Solve for x
    x = 68,851,740.06/13,731.18
  6. Step 6: Final answer
    x = 5,014.26

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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.