Home / 12,403.32-18,600.12-4,609.68

Finding the Fourth Proportional to 12,403.32, 18,600.12 and 4,609.68

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Solution

The fourth proportional to 12,403.32, 18,600.12 and 4,609.68 is: 6,912.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,403.32 : 18,600.12 = 4,609.68 : x
  2. Step 2: Convert to fraction form
    12,403.32/18,600.12 = 4,609.68/x
  3. Step 3: Cross multiply
    12,403.32x = 18,600.12 × 4,609.68
  4. Step 4: Simplify right side
    12,403.32x = 85,740,601.16
  5. Step 5: Solve for x
    x = 85,740,601.16/12,403.32
  6. Step 6: Final answer
    x = 6,912.71

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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.