Home / 11,945.92-17,923.26-4,156.96

Finding the Fourth Proportional to 11,945.92, 17,923.26 and 4,156.96

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Solution

The fourth proportional to 11,945.92, 17,923.26 and 4,156.96 is: 6,236.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,945.92 : 17,923.26 = 4,156.96 : x
  2. Step 2: Convert to fraction form
    11,945.92/17,923.26 = 4,156.96/x
  3. Step 3: Cross multiply
    11,945.92x = 17,923.26 × 4,156.96
  4. Step 4: Simplify right side
    11,945.92x = 74,506,274.89
  5. Step 5: Solve for x
    x = 74,506,274.89/11,945.92
  6. Step 6: Final answer
    x = 6,236.96

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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.