Home / 20,392.92-30,540.15-11,601.18

Finding the Fourth Proportional to 20,392.92, 30,540.15 and 11,601.18

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Solution

The fourth proportional to 20,392.92, 30,540.15 and 11,601.18 is: 17,373.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,392.92 : 30,540.15 = 11,601.18 : x
  2. Step 2: Convert to fraction form
    20,392.92/30,540.15 = 11,601.18/x
  3. Step 3: Cross multiply
    20,392.92x = 30,540.15 × 11,601.18
  4. Step 4: Simplify right side
    20,392.92x = 354,301,777.38
  5. Step 5: Solve for x
    x = 354,301,777.38/20,392.92
  6. Step 6: Final answer
    x = 17,373.76

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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.