Home / 19,327.26-28,990.43-6,179.75

Finding the Fourth Proportional to 19,327.26, 28,990.43 and 6,179.75

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Solution

The fourth proportional to 19,327.26, 28,990.43 and 6,179.75 is: 9,269.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,327.26 : 28,990.43 = 6,179.75 : x
  2. Step 2: Convert to fraction form
    19,327.26/28,990.43 = 6,179.75/x
  3. Step 3: Cross multiply
    19,327.26x = 28,990.43 × 6,179.75
  4. Step 4: Simplify right side
    19,327.26x = 179,153,480.29
  5. Step 5: Solve for x
    x = 179,153,480.29/19,327.26
  6. Step 6: Final answer
    x = 9,269.47

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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.