Home / 13,207.06-19,810.44-3,211.86

Finding the Fourth Proportional to 13,207.06, 19,810.44 and 3,211.86

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Solution

The fourth proportional to 13,207.06, 19,810.44 and 3,211.86 is: 4,817.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207.06 : 19,810.44 = 3,211.86 : x
  2. Step 2: Convert to fraction form
    13,207.06/19,810.44 = 3,211.86/x
  3. Step 3: Cross multiply
    13,207.06x = 19,810.44 × 3,211.86
  4. Step 4: Simplify right side
    13,207.06x = 63,628,359.82
  5. Step 5: Solve for x
    x = 63,628,359.82/13,207.06
  6. Step 6: Final answer
    x = 4,817.75

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.