Home / 20,633.34-30,951.09-12,317.34

Finding the Fourth Proportional to 20,633.34, 30,951.09 and 12,317.34

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Solution

The fourth proportional to 20,633.34, 30,951.09 and 12,317.34 is: 18,476.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,633.34 : 30,951.09 = 12,317.34 : x
  2. Step 2: Convert to fraction form
    20,633.34/30,951.09 = 12,317.34/x
  3. Step 3: Cross multiply
    20,633.34x = 30,951.09 × 12,317.34
  4. Step 4: Simplify right side
    20,633.34x = 381,235,098.90
  5. Step 5: Solve for x
    x = 381,235,098.90/20,633.34
  6. Step 6: Final answer
    x = 18,476.65

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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.