Home / 13,099.60-19,652.72-3,739.66

Finding the Fourth Proportional to 13,099.60, 19,652.72 and 3,739.66

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Solution

The fourth proportional to 13,099.60, 19,652.72 and 3,739.66 is: 5,610.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099.60 : 19,652.72 = 3,739.66 : x
  2. Step 2: Convert to fraction form
    13,099.60/19,652.72 = 3,739.66/x
  3. Step 3: Cross multiply
    13,099.60x = 19,652.72 × 3,739.66
  4. Step 4: Simplify right side
    13,099.60x = 73,494,490.88
  5. Step 5: Solve for x
    x = 73,494,490.88/13,099.60
  6. Step 6: Final answer
    x = 5,610.44

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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.