Home / 19,099.53-28,649.67-6,619.96

Finding the Fourth Proportional to 19,099.53, 28,649.67 and 6,619.96

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Solution

The fourth proportional to 19,099.53, 28,649.67 and 6,619.96 is: 9,930.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,099.53 : 28,649.67 = 6,619.96 : x
  2. Step 2: Convert to fraction form
    19,099.53/28,649.67 = 6,619.96/x
  3. Step 3: Cross multiply
    19,099.53x = 28,649.67 × 6,619.96
  4. Step 4: Simplify right side
    19,099.53x = 189,659,493.07
  5. Step 5: Solve for x
    x = 189,659,493.07/19,099.53
  6. Step 6: Final answer
    x = 9,930.06

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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.