Home / 20,214.76-30,327.99-8,366.34

Finding the Fourth Proportional to 20,214.76, 30,327.99 and 8,366.34

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Solution

The fourth proportional to 20,214.76, 30,327.99 and 8,366.34 is: 12,551.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,214.76 : 30,327.99 = 8,366.34 : x
  2. Step 2: Convert to fraction form
    20,214.76/30,327.99 = 8,366.34/x
  3. Step 3: Cross multiply
    20,214.76x = 30,327.99 × 8,366.34
  4. Step 4: Simplify right side
    20,214.76x = 253,734,234.02
  5. Step 5: Solve for x
    x = 253,734,234.02/20,214.76
  6. Step 6: Final answer
    x = 12,551.93

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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.