Home / 19,321.36-28,981.42-6,173.44

Finding the Fourth Proportional to 19,321.36, 28,981.42 and 6,173.44

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Solution

The fourth proportional to 19,321.36, 28,981.42 and 6,173.44 is: 9,259.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,321.36 : 28,981.42 = 6,173.44 : x
  2. Step 2: Convert to fraction form
    19,321.36/28,981.42 = 6,173.44/x
  3. Step 3: Cross multiply
    19,321.36x = 28,981.42 × 6,173.44
  4. Step 4: Simplify right side
    19,321.36x = 178,915,057.48
  5. Step 5: Solve for x
    x = 178,915,057.48/19,321.36
  6. Step 6: Final answer
    x = 9,259.96

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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.