Home / 19,327.39-28,991.28-6,179.47

Finding the Fourth Proportional to 19,327.39, 28,991.28 and 6,179.47

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Solution

The fourth proportional to 19,327.39, 28,991.28 and 6,179.47 is: 9,269.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,327.39 : 28,991.28 = 6,179.47 : x
  2. Step 2: Convert to fraction form
    19,327.39/28,991.28 = 6,179.47/x
  3. Step 3: Cross multiply
    19,327.39x = 28,991.28 × 6,179.47
  4. Step 4: Simplify right side
    19,327.39x = 179,150,745.02
  5. Step 5: Solve for x
    x = 179,150,745.02/19,327.39
  6. Step 6: Final answer
    x = 9,269.27

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1.5x scale

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.