Home / 11,426.75-17,140.50-3,930.24

Finding the Fourth Proportional to 11,426.75, 17,140.50 and 3,930.24

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Solution

The fourth proportional to 11,426.75, 17,140.50 and 3,930.24 is: 5,895.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,426.75 : 17,140.50 = 3,930.24 : x
  2. Step 2: Convert to fraction form
    11,426.75/17,140.50 = 3,930.24/x
  3. Step 3: Cross multiply
    11,426.75x = 17,140.50 × 3,930.24
  4. Step 4: Simplify right side
    11,426.75x = 67,366,202.84
  5. Step 5: Solve for x
    x = 67,366,202.84/11,426.75
  6. Step 6: Final answer
    x = 5,895.48

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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.