Home / 13,825.66-20,738.56-3,437.41

Finding the Fourth Proportional to 13,825.66, 20,738.56 and 3,437.41

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Solution

The fourth proportional to 13,825.66, 20,738.56 and 3,437.41 is: 5,156.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,825.66 : 20,738.56 = 3,437.41 : x
  2. Step 2: Convert to fraction form
    13,825.66/20,738.56 = 3,437.41/x
  3. Step 3: Cross multiply
    13,825.66x = 20,738.56 × 3,437.41
  4. Step 4: Simplify right side
    13,825.66x = 71,286,890.28
  5. Step 5: Solve for x
    x = 71,286,890.28/13,825.66
  6. Step 6: Final answer
    x = 5,156.13

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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.