Home / 20,402.16-30,591.72-8,546.16

Finding the Fourth Proportional to 20,402.16, 30,591.72 and 8,546.16

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Solution

The fourth proportional to 20,402.16, 30,591.72 and 8,546.16 is: 12,814.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,402.16 : 30,591.72 = 8,546.16 : x
  2. Step 2: Convert to fraction form
    20,402.16/30,591.72 = 8,546.16/x
  3. Step 3: Cross multiply
    20,402.16x = 30,591.72 × 8,546.16
  4. Step 4: Simplify right side
    20,402.16x = 261,441,733.80
  5. Step 5: Solve for x
    x = 261,441,733.80/20,402.16
  6. Step 6: Final answer
    x = 12,814.41

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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.