Home / 11,705.28-17,558.46-2,940.30

Finding the Fourth Proportional to 11,705.28, 17,558.46 and 2,940.30

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Solution

The fourth proportional to 11,705.28, 17,558.46 and 2,940.30 is: 4,410.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,705.28 : 17,558.46 = 2,940.30 : x
  2. Step 2: Convert to fraction form
    11,705.28/17,558.46 = 2,940.30/x
  3. Step 3: Cross multiply
    11,705.28x = 17,558.46 × 2,940.30
  4. Step 4: Simplify right side
    11,705.28x = 51,627,139.94
  5. Step 5: Solve for x
    x = 51,627,139.94/11,705.28
  6. Step 6: Final answer
    x = 4,410.59

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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.