Home / 13,333.80-20,002.50-4,571.16

Finding the Fourth Proportional to 13,333.80, 20,002.50 and 4,571.16

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Solution

The fourth proportional to 13,333.80, 20,002.50 and 4,571.16 is: 6,857.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333.80 : 20,002.50 = 4,571.16 : x
  2. Step 2: Convert to fraction form
    13,333.80/20,002.50 = 4,571.16/x
  3. Step 3: Cross multiply
    13,333.80x = 20,002.50 × 4,571.16
  4. Step 4: Simplify right side
    13,333.80x = 91,434,627.90
  5. Step 5: Solve for x
    x = 91,434,627.90/13,333.80
  6. Step 6: Final answer
    x = 6,857.36

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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.