Home / 12,472.92-18,705.26-4,150.64

Finding the Fourth Proportional to 12,472.92, 18,705.26 and 4,150.64

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Solution

The fourth proportional to 12,472.92, 18,705.26 and 4,150.64 is: 6,224.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472.92 : 18,705.26 = 4,150.64 : x
  2. Step 2: Convert to fraction form
    12,472.92/18,705.26 = 4,150.64/x
  3. Step 3: Cross multiply
    12,472.92x = 18,705.26 × 4,150.64
  4. Step 4: Simplify right side
    12,472.92x = 77,638,800.37
  5. Step 5: Solve for x
    x = 77,638,800.37/12,472.92
  6. Step 6: Final answer
    x = 6,224.59

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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.