Home / 20,246.92-27,941.70-12,289.96

Finding the Fourth Proportional to 20,246.92, 27,941.70 and 12,289.96

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Solution

The fourth proportional to 20,246.92, 27,941.70 and 12,289.96 is: 16,960.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,246.92 : 27,941.70 = 12,289.96 : x
  2. Step 2: Convert to fraction form
    20,246.92/27,941.70 = 12,289.96/x
  3. Step 3: Cross multiply
    20,246.92x = 27,941.70 × 12,289.96
  4. Step 4: Simplify right side
    20,246.92x = 343,402,375.33
  5. Step 5: Solve for x
    x = 343,402,375.33/20,246.92
  6. Step 6: Final answer
    x = 16,960.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.