Home / 13,260.72-19,893.92-4,495.44

Finding the Fourth Proportional to 13,260.72, 19,893.92 and 4,495.44

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Solution

The fourth proportional to 13,260.72, 19,893.92 and 4,495.44 is: 6,744.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.72 : 19,893.92 = 4,495.44 : x
  2. Step 2: Convert to fraction form
    13,260.72/19,893.92 = 4,495.44/x
  3. Step 3: Cross multiply
    13,260.72x = 19,893.92 × 4,495.44
  4. Step 4: Simplify right side
    13,260.72x = 89,431,923.72
  5. Step 5: Solve for x
    x = 89,431,923.72/13,260.72
  6. Step 6: Final answer
    x = 6,744.12

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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.