Home / 13,792.07-20,671.90-6,380.87

Finding the Fourth Proportional to 13,792.07, 20,671.90 and 6,380.87

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Solution

The fourth proportional to 13,792.07, 20,671.90 and 6,380.87 is: 9,563.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,792.07 : 20,671.90 = 6,380.87 : x
  2. Step 2: Convert to fraction form
    13,792.07/20,671.90 = 6,380.87/x
  3. Step 3: Cross multiply
    13,792.07x = 20,671.90 × 6,380.87
  4. Step 4: Simplify right side
    13,792.07x = 131,904,778.17
  5. Step 5: Solve for x
    x = 131,904,778.17/13,792.07
  6. Step 6: Final answer
    x = 9,563.81

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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.