Home / 13,705.32-20,539.92-6,203.28

Finding the Fourth Proportional to 13,705.32, 20,539.92 and 6,203.28

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Solution

The fourth proportional to 13,705.32, 20,539.92 and 6,203.28 is: 9,296.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,705.32 : 20,539.92 = 6,203.28 : x
  2. Step 2: Convert to fraction form
    13,705.32/20,539.92 = 6,203.28/x
  3. Step 3: Cross multiply
    13,705.32x = 20,539.92 × 6,203.28
  4. Step 4: Simplify right side
    13,705.32x = 127,414,874.94
  5. Step 5: Solve for x
    x = 127,414,874.94/13,705.32
  6. Step 6: Final answer
    x = 9,296.75

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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.