Home / 13,240.72-19,863.96-4,007.44

Finding the Fourth Proportional to 13,240.72, 19,863.96 and 4,007.44

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Solution

The fourth proportional to 13,240.72, 19,863.96 and 4,007.44 is: 6,012.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,240.72 : 19,863.96 = 4,007.44 : x
  2. Step 2: Convert to fraction form
    13,240.72/19,863.96 = 4,007.44/x
  3. Step 3: Cross multiply
    13,240.72x = 19,863.96 × 4,007.44
  4. Step 4: Simplify right side
    13,240.72x = 79,603,627.86
  5. Step 5: Solve for x
    x = 79,603,627.86/13,240.72
  6. Step 6: Final answer
    x = 6,012.03

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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.