Home / 13,359.45-18,444.44-8,581.32

Finding the Fourth Proportional to 13,359.45, 18,444.44 and 8,581.32

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Solution

The fourth proportional to 13,359.45, 18,444.44 and 8,581.32 is: 11,847.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359.45 : 18,444.44 = 8,581.32 : x
  2. Step 2: Convert to fraction form
    13,359.45/18,444.44 = 8,581.32/x
  3. Step 3: Cross multiply
    13,359.45x = 18,444.44 × 8,581.32
  4. Step 4: Simplify right side
    13,359.45x = 158,277,506.73
  5. Step 5: Solve for x
    x = 158,277,506.73/13,359.45
  6. Step 6: Final answer
    x = 11,847.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.