Home / 13,670.87-20,505.62-5,352.41

Finding the Fourth Proportional to 13,670.87, 20,505.62 and 5,352.41

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Solution

The fourth proportional to 13,670.87, 20,505.62 and 5,352.41 is: 8,028.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,670.87 : 20,505.62 = 5,352.41 : x
  2. Step 2: Convert to fraction form
    13,670.87/20,505.62 = 5,352.41/x
  3. Step 3: Cross multiply
    13,670.87x = 20,505.62 × 5,352.41
  4. Step 4: Simplify right side
    13,670.87x = 109,754,472.16
  5. Step 5: Solve for x
    x = 109,754,472.16/13,670.87
  6. Step 6: Final answer
    x = 8,028.35

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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.