Home / 12,650.70-18,975.48-4,331.46

Finding the Fourth Proportional to 12,650.70, 18,975.48 and 4,331.46

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Solution

The fourth proportional to 12,650.70, 18,975.48 and 4,331.46 is: 6,496.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,650.70 : 18,975.48 = 4,331.46 : x
  2. Step 2: Convert to fraction form
    12,650.70/18,975.48 = 4,331.46/x
  3. Step 3: Cross multiply
    12,650.70x = 18,975.48 × 4,331.46
  4. Step 4: Simplify right side
    12,650.70x = 82,191,532.60
  5. Step 5: Solve for x
    x = 82,191,532.60/12,650.70
  6. Step 6: Final answer
    x = 6,496.99

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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.