Home / 20,337.75-30,507.17-6,486.75

Finding the Fourth Proportional to 20,337.75, 30,507.17 and 6,486.75

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Solution

The fourth proportional to 20,337.75, 30,507.17 and 6,486.75 is: 9,730.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,337.75 : 30,507.17 = 6,486.75 : x
  2. Step 2: Convert to fraction form
    20,337.75/30,507.17 = 6,486.75/x
  3. Step 3: Cross multiply
    20,337.75x = 30,507.17 × 6,486.75
  4. Step 4: Simplify right side
    20,337.75x = 197,892,352.56
  5. Step 5: Solve for x
    x = 197,892,352.56/20,337.75
  6. Step 6: Final answer
    x = 9,730.30

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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.