Home / 13,571.88-20,356.96-5,671.32

Finding the Fourth Proportional to 13,571.88, 20,356.96 and 5,671.32

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Solution

The fourth proportional to 13,571.88, 20,356.96 and 5,671.32 is: 8,506.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,571.88 : 20,356.96 = 5,671.32 : x
  2. Step 2: Convert to fraction form
    13,571.88/20,356.96 = 5,671.32/x
  3. Step 3: Cross multiply
    13,571.88x = 20,356.96 × 5,671.32
  4. Step 4: Simplify right side
    13,571.88x = 115,450,834.39
  5. Step 5: Solve for x
    x = 115,450,834.39/13,571.88
  6. Step 6: Final answer
    x = 8,506.62

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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.