Home / 20,247.92-30,372.33-8,403.50

Finding the Fourth Proportional to 20,247.92, 30,372.33 and 8,403.50

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Solution

The fourth proportional to 20,247.92, 30,372.33 and 8,403.50 is: 12,605.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,247.92 : 30,372.33 = 8,403.50 : x
  2. Step 2: Convert to fraction form
    20,247.92/30,372.33 = 8,403.50/x
  3. Step 3: Cross multiply
    20,247.92x = 30,372.33 × 8,403.50
  4. Step 4: Simplify right side
    20,247.92x = 255,233,723.29
  5. Step 5: Solve for x
    x = 255,233,723.29/20,247.92
  6. Step 6: Final answer
    x = 12,605.43

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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.