Home / 20,246.92-30,372.54-8,561.32

Finding the Fourth Proportional to 20,246.92, 30,372.54 and 8,561.32

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Solution

The fourth proportional to 20,246.92, 30,372.54 and 8,561.32 is: 12,842.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,246.92 : 30,372.54 = 8,561.32 : x
  2. Step 2: Convert to fraction form
    20,246.92/30,372.54 = 8,561.32/x
  3. Step 3: Cross multiply
    20,246.92x = 30,372.54 × 8,561.32
  4. Step 4: Simplify right side
    20,246.92x = 260,029,034.15
  5. Step 5: Solve for x
    x = 260,029,034.15/20,246.92
  6. Step 6: Final answer
    x = 12,842.89

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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.