Home / 10,738.40-16,108.80-3,342.80

Finding the Fourth Proportional to 10,738.40, 16,108.80 and 3,342.80

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Solution

The fourth proportional to 10,738.40, 16,108.80 and 3,342.80 is: 5,014.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,738.40 : 16,108.80 = 3,342.80 : x
  2. Step 2: Convert to fraction form
    10,738.40/16,108.80 = 3,342.80/x
  3. Step 3: Cross multiply
    10,738.40x = 16,108.80 × 3,342.80
  4. Step 4: Simplify right side
    10,738.40x = 53,848,496.64
  5. Step 5: Solve for x
    x = 53,848,496.64/10,738.40
  6. Step 6: Final answer
    x = 5,014.57

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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.