Home / 13,571.04-20,356.32-3,711.36

Finding the Fourth Proportional to 13,571.04, 20,356.32 and 3,711.36

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Solution

The fourth proportional to 13,571.04, 20,356.32 and 3,711.36 is: 5,566.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,571.04 : 20,356.32 = 3,711.36 : x
  2. Step 2: Convert to fraction form
    13,571.04/20,356.32 = 3,711.36/x
  3. Step 3: Cross multiply
    13,571.04x = 20,356.32 × 3,711.36
  4. Step 4: Simplify right side
    13,571.04x = 75,549,631.80
  5. Step 5: Solve for x
    x = 75,549,631.80/13,571.04
  6. Step 6: Final answer
    x = 5,566.97

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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.