Home / 13,230.94-19,845.75-4,912.57

Finding the Fourth Proportional to 13,230.94, 19,845.75 and 4,912.57

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Solution

The fourth proportional to 13,230.94, 19,845.75 and 4,912.57 is: 7,368.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230.94 : 19,845.75 = 4,912.57 : x
  2. Step 2: Convert to fraction form
    13,230.94/19,845.75 = 4,912.57/x
  3. Step 3: Cross multiply
    13,230.94x = 19,845.75 × 4,912.57
  4. Step 4: Simplify right side
    13,230.94x = 97,493,636.08
  5. Step 5: Solve for x
    x = 97,493,636.08/13,230.94
  6. Step 6: Final answer
    x = 7,368.61

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1.5x scale

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.