Home / 11,426.82-17,141.64-4,405.20

Finding the Fourth Proportional to 11,426.82, 17,141.64 and 4,405.20

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Solution

The fourth proportional to 11,426.82, 17,141.64 and 4,405.20 is: 6,608.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,426.82 : 17,141.64 = 4,405.20 : x
  2. Step 2: Convert to fraction form
    11,426.82/17,141.64 = 4,405.20/x
  3. Step 3: Cross multiply
    11,426.82x = 17,141.64 × 4,405.20
  4. Step 4: Simplify right side
    11,426.82x = 75,512,352.53
  5. Step 5: Solve for x
    x = 75,512,352.53/11,426.82
  6. Step 6: Final answer
    x = 6,608.34

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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.