Home / 20,363.87-30,684.89-16,747.22

Finding the Fourth Proportional to 20,363.87, 30,684.89 and 16,747.22

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Solution

The fourth proportional to 20,363.87, 30,684.89 and 16,747.22 is: 25,235.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,363.87 : 30,684.89 = 16,747.22 : x
  2. Step 2: Convert to fraction form
    20,363.87/30,684.89 = 16,747.22/x
  3. Step 3: Cross multiply
    20,363.87x = 30,684.89 × 16,747.22
  4. Step 4: Simplify right side
    20,363.87x = 513,886,722.09
  5. Step 5: Solve for x
    x = 513,886,722.09/20,363.87
  6. Step 6: Final answer
    x = 25,235.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.