Home / 13,619.08-20,414.06-8,937.32

Finding the Fourth Proportional to 13,619.08, 20,414.06 and 8,937.32

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Solution

The fourth proportional to 13,619.08, 20,414.06 and 8,937.32 is: 13,396.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,619.08 : 20,414.06 = 8,937.32 : x
  2. Step 2: Convert to fraction form
    13,619.08/20,414.06 = 8,937.32/x
  3. Step 3: Cross multiply
    13,619.08x = 20,414.06 × 8,937.32
  4. Step 4: Simplify right side
    13,619.08x = 182,446,986.72
  5. Step 5: Solve for x
    x = 182,446,986.72/13,619.08
  6. Step 6: Final answer
    x = 13,396.43

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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.