Home / 11,685.56-17,528.24-2,920.44

Finding the Fourth Proportional to 11,685.56, 17,528.24 and 2,920.44

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Solution

The fourth proportional to 11,685.56, 17,528.24 and 2,920.44 is: 4,380.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,685.56 : 17,528.24 = 2,920.44 : x
  2. Step 2: Convert to fraction form
    11,685.56/17,528.24 = 2,920.44/x
  3. Step 3: Cross multiply
    11,685.56x = 17,528.24 × 2,920.44
  4. Step 4: Simplify right side
    11,685.56x = 51,190,173.23
  5. Step 5: Solve for x
    x = 51,190,173.23/11,685.56
  6. Step 6: Final answer
    x = 4,380.64

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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.