Home / 13,917.24-19,200.96-7,944.57

Finding the Fourth Proportional to 13,917.24, 19,200.96 and 7,944.57

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Solution

The fourth proportional to 13,917.24, 19,200.96 and 7,944.57 is: 10,960.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,917.24 : 19,200.96 = 7,944.57 : x
  2. Step 2: Convert to fraction form
    13,917.24/19,200.96 = 7,944.57/x
  3. Step 3: Cross multiply
    13,917.24x = 19,200.96 × 7,944.57
  4. Step 4: Simplify right side
    13,917.24x = 152,543,370.79
  5. Step 5: Solve for x
    x = 152,543,370.79/13,917.24
  6. Step 6: Final answer
    x = 10,960.75

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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.