Home / 12,699.60-19,047.24-3,463.44

Finding the Fourth Proportional to 12,699.60, 19,047.24 and 3,463.44

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Solution

The fourth proportional to 12,699.60, 19,047.24 and 3,463.44 is: 5,194.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,699.60 : 19,047.24 = 3,463.44 : x
  2. Step 2: Convert to fraction form
    12,699.60/19,047.24 = 3,463.44/x
  3. Step 3: Cross multiply
    12,699.60x = 19,047.24 × 3,463.44
  4. Step 4: Simplify right side
    12,699.60x = 65,968,972.91
  5. Step 5: Solve for x
    x = 65,968,972.91/12,699.60
  6. Step 6: Final answer
    x = 5,194.57

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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.