Home / 19,309.86-28,968.57-6,163.02

Finding the Fourth Proportional to 19,309.86, 28,968.57 and 6,163.02

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Solution

The fourth proportional to 19,309.86, 28,968.57 and 6,163.02 is: 9,245.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,309.86 : 28,968.57 = 6,163.02 : x
  2. Step 2: Convert to fraction form
    19,309.86/28,968.57 = 6,163.02/x
  3. Step 3: Cross multiply
    19,309.86x = 28,968.57 × 6,163.02
  4. Step 4: Simplify right side
    19,309.86x = 178,533,876.28
  5. Step 5: Solve for x
    x = 178,533,876.28/19,309.86
  6. Step 6: Final answer
    x = 9,245.74

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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.