Home / 12,529.45-18,792.96-3,295.45

Finding the Fourth Proportional to 12,529.45, 18,792.96 and 3,295.45

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Solution

The fourth proportional to 12,529.45, 18,792.96 and 3,295.45 is: 4,942.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529.45 : 18,792.96 = 3,295.45 : x
  2. Step 2: Convert to fraction form
    12,529.45/18,792.96 = 3,295.45/x
  3. Step 3: Cross multiply
    12,529.45x = 18,792.96 × 3,295.45
  4. Step 4: Simplify right side
    12,529.45x = 61,931,260.03
  5. Step 5: Solve for x
    x = 61,931,260.03/12,529.45
  6. Step 6: Final answer
    x = 4,942.86

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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.